Brother Sewing Machine BES 941BC User Manual
INSTRUCTION MANUAL  
BES-941BC  
BES-1241BC  
Please read this manual before using the machine.  
Please keep this manual within easy reach for quick reference.  
NINE NEEDLE FOUR HEAD ELECTRONIC EMBROIDERY MACHINE  
TWELVE NEEDLE FOUR HEAD ELECTRONIC EMBROIDERY MACHINE  
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Thank you very much for buying a BROTHER sewing machine. Before using your new machine,  
please read the safety instructions below and the explanations given in the instruction manual.  
With industrial sewing machines, it is normal to carry out work while positioned directly in front  
of moving parts such as the needle and thread take-up lever, and consequently there is always a  
danger of injury that can be caused by these parts. Follow the instructions from training personnel  
and instructors regarding safe and correct operation before operating the machine so that you  
will know how to use it correctly.  
SAFETY INSTRUCTIONS  
1 Safety indications and their meanings  
This instruction manual and the indications and symbols that are used on the machine itself are  
provided in order to ensure safe operation of this machine and to prevent accidents and injury to  
yourself or other people. The meanings of these indications and symbols are given below.  
Indications  
The instructions which follow this term indicate situations where  
failure to follow the instructions will almost certainly result in death  
or severe injury.  
DANGER  
The instructions which follow this term indicate situations where  
failure to follow the instructions could cause injury when using the  
machine or physical damage to equipment and surroundings.  
CAUTION  
Symbols  
.................This symbol (  
) indicates something that you should be careful of.  
The picture inside the triangle indicates the nature of the caution that must be  
taken. (For example, the symbol at left means "beware of injury".)  
.................This symbol (  
) indicates something that you must not do.  
.................This symbol (  
) indicates something that you must do.  
The picture inside the circle indicates the nature of the thing that must be done.  
(For example, the symbol at left means "you must make the ground connection".)  
BES-941BC • BES-1241BC  
1
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2 Notes on safety  
DANGER  
Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall  
outlet before opening the face plate of the control box. Touching areas where high voltages are present can  
result in severe injury.  
CAUTION  
Environmental requirements  
Use the sewing machine in an area which is free  
from sources of strong electrical noise such as  
high-frequency welders.  
The ambient temperature should be within the  
range of 5°C to 35°C during use.  
Temperatures which are lower or higher than this  
Sources of strong electrical noise may cause  
problems with correct operation.  
may cause problems with correct operation.  
The relative humidity should be within the range  
of 45% to 85% during use, and no dew forma-  
tion should occur in any devices.  
Excessively dry or humid environments and  
dew formation may cause problems with cor-  
rect operation.  
Any fluctuations in the power supply voltage  
should be within ±10% of the rated voltage for  
the machine.  
Voltage fluctuations which are greater than this  
may cause problems with correct operation.  
The power supply capacity should be greater  
than the requirements for the sewing machine's  
electrical consumption.  
Avoid exposure to direct sunlight during use.  
Exposure to direct sunlight may cause prob-  
lems with correct operation.  
Insufficient power supply capacity may cause  
problems with correct operation.  
In the event of an electrical storm, turn off the  
power and disconnect the power cord from the  
wall outlet.  
Lightning may cause problems with correct  
operation.  
Installation  
Machine installation should only be carried out  
by a qualified technician.  
Be sure to wear protective goggles and gloves  
when handling the lubricating oil or grease, so  
that no oil or grease gets into your eyes or onto  
your skin, otherwise inflammation can result.  
Furthermore, do not drink the oil or grease un-  
der any circumstances, as they can cause vom-  
iting and diarrhoea.  
Contact your Brother dealer or a qualified elec-  
trician for any electrical work that may need to  
be done.  
The sewing machine weighs more than 600 kg.  
The installation should be carried out by four  
or more people.  
Keep the oil out of the reach of children.  
Avoid setting up the sewing machine near  
sources of strong electrical noise such as high-  
frequency welding equipment.  
If this precaution is not taken, incorrect machine  
operation may result.  
Do not connect the power cord until installa-  
tion is complete, otherwise the machine may  
operate if the start switch is pressed by mis-  
take, which could result in injury.  
Secure the machine with the casters when in-  
stalling it so that it will not move by placing the  
leveling seat on the sound floor.  
Be sure to connect the ground. If the ground  
connection is not secure, you run a high risk of  
receiving a serious electric shock, and problems  
with correct operation may also occur.  
When securing the cords, do not bend the cords  
excessively or fasten them too hard with  
staples, otherwise there is the danger that fire  
or electric shocks could occur.  
BES-941BC • BES-1241BC  
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2
CAUTION  
Sewing  
This sewing machine should only be used by  
operators who have received the necessary  
training in safe use beforehand.  
Attach all safety devices before using the sew-  
ing machine. If the machine is used without  
these devices attached, injury may result.  
The sewing machine should not be used for any  
applications other than sewing.  
Do not touch any of the moving parts or press  
any objects against the machine while sewing,  
as this may result in personal injury or damage  
to the machine.  
Turn off the power switch at the following times,  
otherwise the machine may operate if the start  
switch is pressed by mistake, which could re-  
sult in injury.  
Do not touch the pulse motor and sewing ma-  
chine bed section during operation or for 30 min-  
utes after operation. Otherwise burns may result.  
• When threading the needle  
• When replacing the bobbin and needle  
• When not using the machine and when leav-  
ing the machine unattended  
If an error occurs in machine operation, or if ab-  
normal noises or smells are noticed, immediately  
turn off the power switch. Then contact your  
nearest Brother dealer or a qualified technician.  
Do not get on the table.  
Table may be damaged.  
If the machine develops a problem, contact your  
nearest Brother dealer or a qualified technician.  
Secure the machine with the casters when in-  
stalling it so that it will not move by placing the  
leveling seat on the sound floor.  
Cleaning  
Be sure to wear protective goggles and gloves  
when handling the lubricating oil or grease, so  
that no oil or grease gets into your eyes or onto  
your skin, otherwise inflammation can result.  
Furthermore, do not drink the oil or grease un-  
der any circumstances, as they can cause vom-  
iting and diarrhoea.  
Turn off the power switch before starting any  
cleaning work, otherwise the machine may op-  
erate if the start switch is pressed by mistake,  
which could result in injury.  
Keep the oil out of the reach of children.  
Maintenance and inspection  
Maintenance and inspection of the sewing ma-  
chine should only be carried out by a qualified  
technician.  
If the power switch needs to be left on when  
carrying out some adjustment, be extremely  
careful to observe all safety precautions.  
Ask your Brother dealer or a qualified electri-  
cian to carry out any maintenance and inspec-  
tion of the electrical system.  
Use only the proper replacement parts as speci-  
fied by Brother.  
If any safety devices have been removed, be ab-  
solutely sure to re-install them to their original  
positions and check that they operate correctly  
before using the machine.  
Turn off the power switch and disconnect the  
power cord from the wall outlet at the following  
times, otherwise the machine may operate if the  
treadle is depressed by mistake, which could  
result in injury.  
Any problems in machine operation which re-  
sult from unauthorized modifications to the ma-  
chine will not be covered by the warranty.  
• When carrying out inspection, adjustment  
and maintenance  
• When replacing consumable parts such as  
the rotary hook and knife.  
BES-941BC • BES-1241BC  
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3
3 Warning labels  
*
The following warning labels appear on the sewing machine.  
Please follow the instructions on the labels at all times when using the machine. If the labels have been  
removed or are difficult to read, please contact your nearest Brother dealer.  
1
Safety devices: Finger guard, Belt cover, etc.  
CAUTION  
Moving parts  
may cause injury.  
Operate with safety devices.  
turn off main switch before  
changing needle, cleaning  
etc.  
2
DANGER  
GEFAHR  
DANGER  
PELIGRO  
Un voltaje inadecuado  
puede provocar las  
heridas.  
Hazardous voltage  
will cause injury,  
Un voltage non adapté  
provoque des blessures.  
Hochspannung  
verletzungsgefahr!  
Turn off main  
Pour ouvrir cette plaque,  
couper le contact  
general de la machine  
et debrancher le cable  
Vor Öffnen des  
Gehäuses  
Hauptschalter  
ausschalten und  
Antes de abrir esta  
tapa, desconecte la  
máquina y  
switch and unplug  
power cord before  
opening this cover.  
desenchufela de la red.  
Netzstecker ziehen! d’alimentation.  
3
CAUTION  
ACHTUNG  
ATTENTION  
ATENCION  
Table may  
be damaged. beschädigt  
werden.  
Der Tisch kann Vous risquez  
La mesa se  
d’endommager puede dañar.  
la table.  
Do not get on Nicht auf den  
No montez pas No pise la  
the table.  
Tisch stehen.  
sur la table.  
mesa.  
Never touch or push the thread  
take up during operation as it  
may result in injuries machine.  
Never touch or push the  
needle bar during operation  
as it may result in injuries or  
damage to the sewing ma-  
chine.  
4
6
5
7
Direction of operation  
CAUTION  
Do not touch this part during activitation or  
for 30 minutes after shut-off. Otherwise burns  
may result.  
BES-941BC • BES-1241BC  
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4
4
6
3
Finger guard  
7
5
Belt cover  
3
2
BES-941BC  
7
1
2
1
BES-941BC • BES-1241BC  
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5
Before Starting Operation  
Do not force open the shutter for  
direct contact with the magnetic  
area.  
Do not bring disks near magnetic  
matters such as magnetic  
screwdriver or the back side of the  
programmer.  
Do not store floppy disks in an  
extremely high or low ambient  
temperature.  
Do not use floppy disks under high  
humidity.  
Do not use or store floppy disks in a  
dusty place.  
Do not store floppy disks under  
direct sunlight.  
Do not place it on cloth.  
Do not bend the disk. Do not put  
things on the disk.  
Avoid contact with solvent or drink.  
Store it in the case immediately after  
using it to protect it from dust and  
damage.  
Use a commercially available  
cleaning disk to clean the head of  
the floppy disk drive periodically.  
Do not remove the disk out of the drive during the access lamp is lit.  
BES-941BC • BES-1241BC  
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6
Protecting data in floppy disks  
Write-protection is available for a floppy disk to prevent undesired data deletion.  
A write-protected disk is read-only. It is recommended to provide write-protection  
for disks which contain important data.  
To do so, slide the write-protect notch to open the slot as shown below.  
Slide the notch in this direction to  
prevent data loss or overwriting.  
Slide the notch in this direction to write  
data.  
BES-941BC • BES-1241BC  
7
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Procedure of Reading This Manual  
Explanation of models  
This manual explains two models:  
- BES-941BC (9 needles)  
- BES-1241BC (12 needles)  
Explanation for individual model is provided by identifying the model name. Check  
the model before using the machine. The display is BES-941BC.  
Configuration of this manual  
This manual consists of the following chapters:  
Chapter 1  
Preparation of Embroidery Machine  
This Chapter describes the specifications, installation and preparatory procedures of  
starting up the machine.  
Chapter 2  
Embroidering Procedures  
Provides explanations on the operation panel and briefly reviews the flow of  
embroidering processes.  
Chapter 3  
Selection of Data and Embroidering  
This Chapter describes procedures of reading sewing data and sewing.  
Chapter 4  
Editing of Embroidering Data  
Explains how to edit the embroidery data.  
Chapter 5  
Setting  
This Chapter describes procedures of setting the machine and working environment.  
Chapter 6  
Operation of Machine  
Provides information on machine operation during embroidering.  
Chapter 7  
Maintenance  
Describes appropriate maintenance of the machine.  
Chapter 8  
Standard Adjustment  
Explains how to adjust the needles.  
BES-941BC • BES-1241BC  
8
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Chapter 9  
List of Error Messages  
Provides information on error codes and action to be taken.  
Chapter 10 Troubleshooting  
Provides troubleshooting for the machine.  
Connection and Installation of Optional Equipment  
Describes connections between the machine/computer and optional equipment  
available.  
BES-941BC • BES-1241BC  
9
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Screen Composition  
Initial Screen  
Starting Sewing  
Selection of Embroidery data  
( page 59)  
Operation ( page 72)  
Canceling of Sewing  
STOP  
Thread trimming  
Setting of Needle Bars  
page 92)  
(
Hoop Retract  
Area Check  
Editing of Embroidery data  
page 77)  
(
BES-941BC • BES-1241BC  
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10  
Setting of thread breakage sensor ( page 94)  
Setting of Machine ( page 97)  
BES-941BC • BES-1241BC  
11  
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Contents  
SAFTY INSTRUCTIONS............................................................................... 1  
Before Starting Operation .......................................................................... 6  
Procedure of Reading This Manual ........................................................... 8  
Screen Composition ................................................................................. 10  
Chapter 1 Preparation of Embroidery Machine  
1. Specifications ..................................................................................... 18  
2. Names of Machine Components ....................................................... 19  
3. Installation........................................................................................... 21  
3-1  
3-2  
3-3  
3-4  
3-5  
3-6  
3-7  
Transportation of Machine .....................................................................21  
Installation of Machine ...........................................................................23  
Preparation of Needle Bar Case ............................................................24  
Mounting of Table ..................................................................................26  
Mounting of Cotton Stand ......................................................................30  
Lubrication to Needle Bar Case .............................................................32  
Grounding ..............................................................................................33  
4. Preparation for Embroidering............................................................ 34  
4-1  
4-2  
4-3  
4-4  
4-5  
4-6  
Upper Threading ....................................................................................34  
Replacement of Bobbin..........................................................................37  
Replacing and Selecting Needle............................................................38  
Attachment of Embroidery Hoop and Frame .........................................39  
Flat Frame Every Other Head Operation ...............................................45  
Adjustment of Thread Tension...............................................................46  
Chapter 2 Embroidering Procedures  
Functions of Operation Panel .................................................................. 50  
Operation Panel ................................................................................................50  
Switches at Machine Heads ..............................................................................53  
Switches on Tension Plate ................................................................................53  
Flowchart of Preparation for Embroidering............................................ 55  
Turn on the Machine Power ..............................................................................56  
Retrieve the Embroidery Data...........................................................................57  
Start Embroidering ............................................................................................57  
Chapter 3 Selection of Data and Embroidering  
What Can the Machine Do? ...................................................................... 60  
Selection of Data ....................................................................................... 61  
Registration of Embroidery Data from Floppy Disk ........................................... 61  
Reading from Memory.......................................................................................64  
Registration of Embroidery Data from BE-100..................................................65  
Deletion of Embroidery Data from Machine Memory ........................................66  
BES-941BC • BES-1241BC  
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Modification of Embroidery Data Name .................................................. 68  
Sewing Operation...................................................................................... 72  
Before Starting Sewing .....................................................................................72  
Starting Sewing Operation ................................................................................72  
Feedhold and Cancellation of Sewing...............................................................73  
Step Forward and Step-Back ................................................................... 74  
Step Forward/Step-Back Mode .........................................................................74  
Setting Amount or Timing of Step Forward/Step-Back ..................................... 74  
For Step Forward (Back) ...................................................................................75  
Resuming Sewing .............................................................................................75  
Writing the embroidering data ................................................................. 76  
Chapter 4 Editing of Embroidering Data  
What Can the Machine Do? ...................................................................... 78  
Rotation...................................................................................................... 79  
Enlargement and Reduction..................................................................... 80  
Mirror .......................................................................................................... 82  
Repetition................................................................................................... 84  
Other Editing.............................................................................................. 86  
Chapter 5 Setting  
What Can the Machine Do? ...................................................................... 90  
Setting of Needle Bars .............................................................................. 92  
Thread Breakage Sensor .......................................................................... 94  
Setting of sensor validity/invalidity ....................................................................94  
Thread Breakage Sensitivity .............................................................................94  
Automatic Step-Back.........................................................................................95  
Setting of Lower Thread Counter/Stitch Counter ..............................................96  
Setting of Machine .................................................................................... 97  
Embroidery Hoop ..............................................................................................97  
Speed Range ....................................................................................................98  
Speed of Each Speed Range............................................................................99  
Setting of Mending ..........................................................................................100  
Thread Trimming Length .................................................................................102  
Thread Withdrawal Feed Length.....................................................................102  
Inching.............................................................................................................103  
Sewing Area ....................................................................................................104  
Registration of Sewing Start Position..............................................................105  
Hoop Retract Point..........................................................................................105  
Hoop Automatic Retract ..................................................................................106  
Movement to Registered Sewing Start Point ..................................................106  
BES-941BC • BES-1241BC  
13  
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Setting of Environment........................................................................... 107  
Return to Start Point........................................................................................107  
Speed Range ..................................................................................................107  
Checking the Embroidery Area .......................................................................108  
Power Voltage .................................................................................................109  
Setting of RS-232C Communication Speed ....................................................109  
Display Language ...........................................................................................110  
Alarm Sound ...................................................................................................111  
Motive Speed ..................................................................................................112  
Release B1 error .............................................................................................113  
Boring ..............................................................................................................114  
Lock Stitch.......................................................................................................115  
Speed Limit in a Short Pitch............................................................................118  
Feed Timing ....................................................................................................119  
Display of Information ............................................................................ 120  
Pattern Information..........................................................................................120  
Features of Machine .......................................................................................121  
Information about Versions .............................................................................122  
Chapter 6 Operation of Machine  
1. Operating Procedures ...................................................................... 124  
1-1  
1-2  
Power Source ......................................................................................124  
Preparation for Embroidering...............................................................124  
2. Machine Stop .................................................................................... 125  
2-1  
2-2  
2-3  
2-4  
Stopping the Machine ..........................................................................125  
Resetting Machine Stop.......................................................................125  
Emergency Stop of the Machine..........................................................125  
Resetting Emergency Stop ..................................................................125  
3. Measures against Thread Breakage ............................................... 126  
3-1  
3-2  
Remedies .............................................................................................126  
Mending ...............................................................................................127  
4. Jog Embroidering ............................................................................. 129  
5. Hoop Feed Position .......................................................................... 129  
6. Area Check ........................................................................................ 130  
6-1  
6-2  
External Tracing...................................................................................130  
Automatic Hoop Movement in Area .....................................................130  
7. Jog Switches..................................................................................... 131  
7-1  
7-2  
Hoop Movement to Start Position ........................................................131  
Inching Mode during Embroidering (Forcible Hoop Movement) ..........132  
8. Detection of Zero Point .................................................................... 133  
BES-941BC • BES-1241BC  
14  
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Chapter 7 Maintenance  
1. Cleaning Rotary Hook ...................................................................... 136  
2. Oiling.................................................................................................. 137  
2-1  
Head ....................................................................................................137  
3. Greasing ............................................................................................ 139  
3-1  
3-2  
3-3  
Head ....................................................................................................139  
Feed Guide Section .............................................................................143  
Lower shaft module..............................................................................144  
Chapter 8 Standard Adjustment  
1. Adjusting Needle Bar Height ........................................................... 148  
2. Replacing (Attaching) Rotary Hook ................................................ 152  
3. Adjustment of Clearance Between Needle and Rotary Hook ....... 153  
4. Adjustment of Timing Between Needle and Rotary Hook ............ 154  
5. Adjustment of Presser Foot Height ................................................ 155  
6. Adjustment of Thread Trimmer ....................................................... 156  
6-1  
6-2  
Attaching the Fixed Knife .....................................................................156  
Checking the Movable Knife Position ..................................................156  
7. Adjusting the Belt Tension .............................................................. 158  
Chapter 9 List of Error Message  
Chapter 10 Troubleshooting  
Mechanical Section ................................................................................. 166  
Electrical Section .................................................................................... 168  
Connection and Installation of Optional Equipment  
Attaching Bobbin Winder ....................................................................... 178  
BES-941BC • BES-1241BC  
15  
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BES-941BC • BES-1241BC  
16  
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Chapter 1  
Preparation of Embroidery Machine  
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Chapter 1 Preparation of Embroidery Machine  
1. Specifications  
9 needle embroidery machine head  
(four-head type)  
12 needle embroidery machine head  
(four-head type)  
Embroidery machine used  
Application  
Pattern embroidery  
Maximum 1000 rpm  
Sewing speed  
450 (V) x 400 (H) mm (border frame area)  
430 (V) x 300 (H) mm (tubular square hoop area)  
85 (V) x 360 (H) mm (cap frame area)  
Sewing area  
450 (V) x 460 (H) mm (with every other head control)  
Feed system  
Stitch length  
By timing belt and stepping motor drive  
0.1 ~ 12.7 mm (minimum pitch: 0.1 mm)  
3.5 2DD floppy disk (Tajima format)  
Storage medium  
3.5 2HD floppy disk (the equivalent to Tajima format)  
3.5 2DD floppy disk (Barudan FDR/FMC format)  
3.5 2DD floppy disk (ZSK format)  
3.5 floppy disk (brother ECS format)  
Thread trimming  
Needle thread breakage  
Power supply  
Automatic thread trimmer  
Needle thread breakage detector  
Single phase 200 V, 220 V, 230 V, 240 V,1.7 kVA  
Weight  
600 kg  
600 kg  
(Before assembly) 2750 (W) x 810 (L) x 1665 (H) mm  
(After setup) 2750 (W) x 1400 (L) x 1665 (H) mm  
Dimensions  
(Distance between machine heads) 400 mm  
Embroidery hoops in different sizes, Bobbin winder,  
Parts for boring  
Options  
Fluorescent lamp  
Option  
Standard  
BES-941BC • BES-1241BC  
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18  
Chapter 1 Preparation of Embroidery Machine  
2. Names of Machine Components  
BES-941BC  
Rear  
Operation panel  
Thread tension dial  
Thread tension switch  
Thread guide B  
Thread guide C  
Thread  
guide A  
Cotton stand  
Pulley cover  
Pulley  
Fluorescent  
lamp  
Fluorescent  
lamp switch  
Power switch  
Control box  
Head switch  
F table  
Leg  
Thumb bolt  
BES-1241BC  
Rear  
Operation panel  
Thread tension dial  
Thread tension switch  
Thread guide B  
Thread guide C  
Thread  
guide A  
Cotton stand  
Pulley cover  
Pulley  
Fluorescent  
lamp  
Fluorescent  
lamp switch  
Power switch  
Control box  
Head switch  
Leg  
Thumb bolt  
The machine heads are numbered 1 to 4 from the right front.  
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19  
Chapter 1 Preparation of Embroidery Machine  
Accessories  
Standard Accessories  
Optional Accessories  
• Holder base 30 x 43 (4)  
Embroidery hoop • Tubular square hoop 30 x 43 (4)  
• Tubular round arm set R (4)  
Other embroidery hoops in different sizes  
• Tubular round arm set L (4)  
• Sash frame assembly  
* Other Tajima embroidery hoops that can  
be used with BAS-412A and 416A  
• Cap frame (4)  
Cap frame drive assembly (4)  
Base frame set (8)  
Set frame base set (1)  
Others  
F table assembly  
• Bobbin winder  
• Parts for boring  
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20  
Chapter 1 Preparation of Embroidery Machine  
3. Installation  
DANGER  
Embroidery machines should be installed only  
by trained engineers.  
Install a machine in a place away from a high-  
frequency welding machine or other machines  
that may generate a strong electric noise. Fail-  
ure to do so may cause the embroidery machine  
to malfunction.  
Electric wiring should be laid by your distribu-  
tor or electric experts.  
A machine weighs more than 600 kg. Installa-  
tion should be carried out by 4 or more work-  
ers.  
Be sure to connect the ground. If the ground  
connection is not secure, you run a high risk of  
receiving a serious electric shock, and problems  
with correct operation may also occur.  
Do not connect the power source until installa-  
tion is completed. Doing so may start the ma-  
chine unintentionally through an accidental  
activation of the START switch, resulting in  
bodily injuries.  
Secure the machine with the casters when in-  
stalling it so that it will not move by placing the  
leveling seat on the sound floor.  
* After installation is completed, get the power supply from a dedicated outlet.  
* When connecting multiple machines, exercise care not to exceed the capacity of the outlet.  
3-1 Transportation of Machine  
When relocating the machine, push the steel frame.  
Note) Never push the cover or carriage.  
When using a fork lift  
Center pillar  
a
a
The central seal  
Lift forks  
Open the forks of the lift to both sides evenly from the central seal positioned at the center  
(viewed from the rear of the machine), and pass them under the legs to lift the machine.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
When using a crane  
Rope  
L-shaped steel  
Rectangular bar  
Place two rectangular bars on the four L-shaped steels on the bottom of the machine steel  
frame. Loop four ropes around the bars and lift the machine.  
Note) When lifting the machine, make sure that the ropes do not contact the machine table or the tension plate.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
3-2 Installation of Machine  
1. Place the attached cushion sheets w and  
leveling plates e under the four level  
adjusters q. The leveling plates eshould  
be placed above the cushion sheets  
respectively.  
2. Secure the four level adjusters q on the  
ground using the nuts r so that the  
machine will be stable.  
Note) If the floor is not strong enough, the embroi-  
dery machine may be rocked during opera-  
tion. In such a case, it is recommended that a  
secure base of concrete be placed below the  
embroidery machine.  
r
q
e
w
BES-941BC • BES-1241BC  
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23  
Chapter 1 Preparation of Embroidery Machine  
3-3 Preparation of Needle Bar Case  
BES-941BC  
w
u
e
y
i
q
o
r
t
1. Loosen the bolt qand set screw o, and move the needle case wto the left.  
2. Press the change bracket collar ragainst the change case base eon the light, while pressing  
the change bracket collar tagainst the change case base yon the left, and tighten the bolt  
qand set screw !. Check that needles at needle bar No.1 and 9 are inserted into the needle  
plate holes smoothly.  
Note) • Check that the connecting shaft udoes not have backlash in the horizontal direction.  
• Never loose the bolt iof the change bracket coller r. If this bolt is loosened, the change bracket coller  
rwill be dislocated and the position of the needle bar case wwill need to be adjusted.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
BES-1241BC  
Bridge  
r
Connecting shaft  
Fixing bracket  
Fixing bracket B  
!
!
o
q
t
!
o
o
q
u
y
i
w
e
1. Remove 3 pieces of fixing screw q, loosen 2 pieces of screw w and remove the color change  
cover e.  
2. Remove the bolts rand detach the fixing bracket for transportation from the bridge and the  
connecting shaft.  
3. Loosen the bolts tand set screw !, and move the needle bar case y left side.  
4. Press the change bracket collar iagainst the change case base u, while pressing the left  
side change bracket collar o against the change case base u, and tighten the bolts tand  
set screw !0. Check that needle bar No.1 and 12 are inserted into the needle plate holes  
smoothly.  
(Notes) • Check that ther is no play for the connecting shaft in the horizontal direction.  
• Never loose the bolt of the change bracket coller i. If this bolt is loosened, the change bracket coller  
iwill be dislocated and the position of the needle bar case ywill need to be adjusted.  
5. Attach the color change cover eby 3 pieces of fixing screw qand 2 pieces of fixing screw w.  
6. Attach the linear guide cover !by 2 pieces of tightening screw !.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
3-4 Mounting of Table  
Mounting of F table  
q
r
q
w
e
e
w
1. Tentatively mount the F table guides U qand L won both sides of the legs using two bolts  
each.  
2. Tentatively mount there F table supports F eon the leg front using two bolts each.  
3. Tentatively mount five F table stoppers ron the rear legs using two bolts each.  
Note) • The steps 1 and 3 are required only when the F table set is purchased separately from the machine.  
• The F table is a standard attachment.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
o
Pin  
i
t
(A)  
y
(A)  
u
q
Lower by 1 mm  
e
4. Mount four drilling bolts i, spring washers !, flat washaers !each on the rear of F table R  
t, M y, and L u.  
5. Mount four thumb bolts on the steel pipe below the front leg.  
6. Insert the pins attached to the rear of the F table R t, M y, and L uinto the cover oon the  
leg. Adjust the height of the F table guide U qand the F table support F eso that the table  
top surface will become 1 mm lower than the bed top surface. After adjustment is finished,  
tighten each bolt securely.  
7. Mount a drilling bolt i, a spring washer !, and a flat washer !in section (A) of F tables R t  
and L u.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
Procedure to mount F table when using the flat frame and the sash frame  
e
r
i
w
u
y
e
t
w
1. Dismount the F table R t, M y, and L u once, and lower the F table support F e. Then,  
place the F table R t, M y, and L uon the F table guide L wbending section. Fix the F table  
support F eat this height and insert the pins on the rear of the F table R t, M y, and L u  
into the holes of the F table stopper r.  
Note) Fix the F table stopper and the F table guide L securely at this position.  
2. Insert the F table R t, M y, and L uinto the upper and lower positions respectively, then  
check if the table can be securely fixed by the drilling bolts i. If not, shift the F table support  
F eto the right and left for further adjustment.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
o
y
t
u
!
!
3. Fix the legs and the table using the F table stays A (2 pcs.) oand B (2 pcs.) !  
table R t, M y, and L uare fixed at the upper position.  
0
while the F  
* Dismounting can be carried out in the reverse procedures.  
Note) • Use two F table stays (B) with one notch at both ends of the F table R tand L u.  
• When mounting the F table stays A (2 pcs.) oand B (2 pcs.) !, fit the F table stay notch into the table,  
then fix the notch to the legs using the thumb bolts.  
Dismounting can be carried out in the reverse procedures.  
• When the F table is at the lower position, the F table stays A and B need not be used.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
3-5 Mounting of Cotton Stand  
BES-941BC  
Thread guide C  
r
e
w
t
q
1. Attach four thread guide support bars wto the cotton stand assembly q, while fitting into  
the four holes.  
2. Mount the thread guide assembly e on the thread guide support bars w using the four  
screws r.  
Note) • When mounting, use one flat washer tbelow the thread guide support bar w.  
• Pay careful attention to the front and back directions of the thread guides (A, B, C).  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
BES-1241BC  
e
r
Front  
w
Thread guide C  
Thread guide B  
Thread guide A  
t
q
1. Attach four thread guide support bars wto the cotton stand assembly q, while fitting into  
the four holes.  
2. Mount the thread guide assembly e on the thread guide support bars w using the four  
screws r.  
Note) • When mounting, use one flat washer tbelow the thread guide support bar w.  
• Pay careful attention to the front and back directions of the thread guides (A, B, C).  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
3-6 Lubrication to Needle Bar Case  
Proper lubrication is necessary for keeping the machine head in good condition.  
CAUTION  
Turn off the power switch before starting any cleaning work, otherwise the machine may operate if the start  
switch is pressed by mistake, which could result in injury.  
Before operating the machine for the first  
time after unpacking or after leaving the  
machine without operation for a long  
period of time, supply one or two drops of  
oil to two sections of the needle bar. (See  
the left figure.)  
Note) • Use the Brother's specified embroidery ma-  
chine oil (Nisseki Embroidery Lube No. 10  
or the equivalent).  
• Supplying an excessive amount of oil will  
cause dripping onto the material.  
BES-941BC  
BES-1241BC  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
3-7 Grounding  
Note) • When connecting the power supply, make sure to connect it to the grounding cable (with green and  
yellow stripes).  
• When plugging in the outlet, use a plug suited to the outlet.  
Grounding cable  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
4. Preparation for Embroidering  
CAUTION  
Turn off the power switch before starting preparation.  
Failure to do so may start the machine unintentionally through an accidental activation of the START switch,  
resulting in bodily injuries.  
4-1 Upper Threading  
BES-941BC  
1
2
Needle Bar No.3,6,9  
3
No.2,5,8  
No.1,4,7  
4
5
6
7
8
1. Pass the upper thread from the cotton stand through the hole of the thread guide right above  
each cotton stand bar from the lower side.  
2. Pass the thread through the upper hole of the pretension. Push up the tension disc with your  
finger, and place the thread under the disc. Then, pass it through the lower hole.  
3. Pass the thread through the upper hole of the 2nd pretension. Push up the tension disc with  
your finger, and place the thread under the disc. Then, pass it through the lower hole, and  
wind it around the thread breakage pulley twice.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
4. Pass the thread through the hole of the upper thread guide (U), wind it into the tension disk  
clockwise once, and place it on the spring.  
5. Pass the thread through each hole of the upper thread guide (U) and the thread guide (C).  
6. After passing the thread through the hole of the thread guide (U), insert the thread into the  
right side of the inner thread guide, and pass it through the hole of the thread take-up.  
7. Bring the thread to the inner thread guide again to insert it into the hole from the upper  
section, then into the lower thread guide.  
8. Pass the thread through the hole of the needle bar thread guide, then pass it through the  
needle eye, without passing it through the presser foot.  
BES-1241BC  
1
Needle Bar No.3,6,9,12  
2
No.2,5,8,11  
3
4
No.1,4,7,10  
5
6
7
8
1. Pass the upper thread from the cotton stand through the hole of the thread guide right above  
each cotton stand bar from the lower side.  
2. Pass the thread through the upper hole of the pretension. Push up the tension disc with your  
finger, and place the thread under the disc. Then, pass it through the lower hole.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
3. Pass the thread through the upper hole of the 2nd pretension. Push up the tension disc with  
your finger, and place the thread under the disc. Then, pass it through the lower hole, and  
wind it around the thread breakage pulley twice.  
4. Pass the thread through the hole of the upper thread guide (U), wind it into the tension disk  
clockwise once, and place it on the spring.  
5. Pass the thread through each hole of the upper thread guide (U) and the thread guide (C).  
6. After passing the thread through the hole of the thread guide (U), insert the thread into the  
right side of the inner thread guide, and pass it through the hole of the thread take-up.  
7. Bring the thread to the inner thread guide again to insert it into the hole from the upper  
section, then into the lower thread guide.  
8. Pass the thread through the hole of the needle bar thread guide, then pass it through the  
needle eye, without passing it through the presser foot.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
4-2 Replacement of Bobbin  
Note) Remove dust, lint and oil from the bobbin case before replacement.  
Removing bobbin case  
1. Open the rotary hook cover B q.  
w
2. Hold the knob w and take out the bobbin  
case.  
3. Close the knob and take out the bobbin e.  
q
e
Replacing bobbin  
1. Put a new bobbin in the bobbin case.  
2. Slide the thread under the tension spring  
tthrough the notch r.  
3. Pull out the thread from the hole of the  
tension spring t.  
Pull out by about  
50 mm  
4. Pull out the thread by about 50 mm.  
t
5. The winding direction is as shown in the  
illustration at left.  
r
Attaching bobbin case  
1. Hold the knob w and attach the bobbin  
w
case securely.  
2. Close the rotary hook cover B q.  
q
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
4-3 Replacing and Selecting Needle  
Removing needle  
Loosen the set screw qand remove the needle  
q.  
Attaching needle  
q
w
With the flat side facing the front, insert the  
needle all the way until it meets the end of the  
needle bar. Tighten the set screw qfirmly.  
Note) • Set the needle so that the notched part will  
come on the rotary hook side.  
• The needle should not be angled to the left  
(when viewed from the front).  
* Relationship between materials and needles  
Selecting needle  
• When using special threads such as gold,  
silver, and rame yarn, use a heavy-duty  
needle (#11 ~ #16). For better finish, paste  
the waxed paper on the back of the  
material.  
Material  
Needle  
Needle thickness  
Denim  
#14,  
Leather  
#16, #18  
Handkerchief  
#9, #10  
DB x K5  
Shirt  
#11,  
• In general, use DBxK5 #11 ~ #18 according  
to the material thickness. For knitted  
materials, use DBxK23 #11 because its  
rounded point prevents the knit thread from  
breaking.  
Towel  
#12, #13  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
4-4 Attachment of Embroidery Hoop and Frame  
Tubular square hoop  
r
e
w
q
y
u
t
q
1. Insert the fixing pins of the tubular round arms R qand L winto the notches of the X-axis  
feed frame e. Slide the arm to the right and left and lower the fixing lever rto fix them.  
2. Set the right and left fixtures of the tubular square hoop twhile sliding them under the flat  
spring y upward. Then fit the frame projecting part u into the hole of the tubular square  
hoop tsecurely.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
• By changing the tubular round arm mounting width, various sizes can be set.  
Note) Change the width, referring to the pin position.  
400mm  
360mm  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
Holder base (optional)  
w
q
r
i
y
y
e, t  
Felt  
u
e
Table  
y
1mm  
1mm  
r
t
Attaching the holder base frame  
1. Set the table. (Refer to "3-4 Mounting of Table" (Page 26) for details.)  
2. Mount the frame connecting plate R won the X-axis feed frame q, using six bolts, washers,  
and nuts.  
3. Insert the frame connecting plate yinto the holder base frame L e, holder base frame C r,  
and holder base frame R t, using bolts and washers.  
4. From the front, put the holder base frame C assembly runder the frame connecting plate R  
wand fix it using four bolts.  
5. Check that the clearance between the table and the mounted holder base frame C assembly  
ris even when viewed from the machine front.  
[Adjustment] Loosen two bolts of the F table support F yand move it in the direction of the arrow for adjust-  
ment.  
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Chapter 1 Preparation of Embroidery Machine  
6. Check that the clearance between the Y-axis cover uand the mounted holder base frames L  
eand R tis even when viewed from the right and left sides.  
[Adjustment] Loosen the right and left bolts of the F table guide U iand move it in the direction of arrow for  
adjustment.  
7. Tighten each bolt securely after adjustment is finished.  
Attaching the holder base  
1. Mount the holder base mounting frame eon the X-axis feed frame qand holder base frame  
C w, using three clamp screws.  
2. When the mounting pitch of the holder base is 370 mm, mount the holder base horizontally to  
the holder base mounting frames eusing the thumb bolts r.  
q
r
e
w
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Chapter 1 Preparation of Embroidery Machine  
3. When the mounting pitch of the holder base is 550 mm, mount the holder base vertically to  
the X-axis feed frame qand holder base frame C wusing the thumb bolts r.  
r
q
r
w
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
Sash frame (optional)  
w
q
q
e
r
t
y
t
y
e
e
Attaching the sash frame  
1. Set the table. (Refer to "3-4 Mounting of Table" (Page 26) for details.)  
2. Mount two vertical sash frames q on the holder base frames L and R, and two horizontal  
sash frames won the X-axis feed frame eand the holder base frame C r, using the screws.  
3. Set the material. Then, set ten sash clips 290 thorizontally on the upper and lower sides,  
four sash clips 220 y vertically on the left and right sides, and two sash clips 220 y  
horizontally on the upper and lower sides.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
4-5 Flat Frame Every Other Head Operation  
When sewing with the flat frame, the sewing range becomes 460 mm maximum in the X  
direction by conducting every other head operation only for No. 1 and No. 4.  
1. Put the needle bar case at the needle bar No. 1 position and remove the presser feet for  
heads No. 2 and No. 3.  
2. Set the frame to flat hoop every other head operation.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
4-6 Adjustment of Thread Tension  
Adjustment of upper thread  
Adjust upper thread tension to 0.7~1.3N (70~130  
gf) when the thread is pulled at the needle bar  
thread guide.  
0.7
(7
* Correct adjustment  
Upper stitch  
width  
Turn the upper thread tension dial so that the  
needle thread can be pulled to the back of the  
material and that the lower stitch width will be  
about 1/3 of the upper stitch width.  
Upper  
thread  
Lower  
thread  
Lower  
stitch  
width  
Adjustment of tension spring  
q
w
e
6~8mm  
0.07~0.12N  
(7~12gf)  
1. The tension spring should be adjusted to 6~8 mm in height and 0.07~0.12 N (7~12 gf) in force.  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
2. For adjusting the height, loosen the screw qand turn the tension spring bracket w.  
3. For adjusting the tension spring force, insert a driver tip in the groove of the thread tension  
bar eand turn it.  
Lower thread tension  
The standard tension of the lower thread is  
0.15~ 0.3N (15~30gf).  
This tension may vary depending on the used  
thread. In general, press the bobbin case to a  
smooth vertical surface and hang the  
designated number of coins. Turn the thread  
tension screw so that the lower thread will come  
out smoothly.  
0.15~0.3N  
(15~30gf)  
To tighten  
To loosen  
BES-941BC • BES-1241BC  
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Chapter 1 Preparation of Embroidery Machine  
BES-941BC • BES-1241BC  
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48  
Chapter 2  
Embroidering Procedures  
After installation of machine start embroider-  
ing. This chapter explains about the opera-  
tion panel on the machine as well as pre-  
cautions for the actual embroidering process.  
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Chapter 2 Embroidering Procedures  
Functions of Operation Panel  
Operation Panel  
BES-1241BC  
FLAT  
CAP  
HOOP  
1
2
3
ESC  
.
A B C  
D E F  
START  
4
5
6
INS  
G H I  
J K L  
M N O  
7
8
9
DEL  
P Q R S  
T U V  
W X Y Z  
0
END  
STOP  
SPACE  
Starts embroidering.  
Restarts after moving the carriage to embroidering start position by using the jog switch.  
Restarts embroidering after a suspension.  
STOP  
Cancels errors during embroidering.  
Suspends embroidering.  
Selects sewing data. ( "Chapter 3 Selection of Data and Embroidering" page 59)  
Specifies a sequence of colors (sequence of needle changes) in sewing data.  
(
"Setting of Needle Bars" page 92)  
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Chapter 2 Embroidering Procedures  
Edits sewing data. ( "Chapter 4 Editing of Embroidering Data" page 77)  
Sets the upper thread breakage sensor. ( "Thread Breakage Sensor" page 94)  
Machine motions can be set. ( "Chapter 5 Setting" page 89)  
Trims thread during suspension.  
Moves the hoop to a preset hoop retract position. When this switch is pressed again, the  
hoop returns to the previous position.  
Checks the embroidering area.  
Moves the hoop automatically into the embroidering area when the embroidery position  
is out of the area.  
1
4
2
3
ESC  
INS  
.
A B C  
D E F  
5
6
G H I  
J K L  
M N O  
7
8
9
DEL  
END  
P Q R S  
T U V  
W X Y Z  
0
SPACE  
Used for selecting data and setting functions.  
BES-941BC • BES-1241BC  
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Chapter 2 Embroidering Procedures  
FLAT  
CAP  
HOOP  
Selects the flat or cap hoop. This selection should be done before turning the power ON  
to the machine. The setting will not be changed if the selection is done after turning the  
power OFF.  
Moves the hoop.  
Step-back or forward is available during suspension. (Use  
Changes the speed range during embroidering (Use  
switches only.)  
switches only).  
Carries out inching of the hoop when the switch is pressed in the inching mode.  
Move the cursor for selecting sewing data and an icon.  
Moves the needle bar. The needle moves by the diameter every time this switch is pressed.  
Change to the screen for selecting sewing data.  
Operation panel  
Contrast volume  
Adjusts the screen contrast.  
SBUS interface connector  
Not used (Do not connects anything.)  
RS-232C interface connector  
Connect personal computer with BE-100 installed, etc.  
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52  
Chapter 2 Embroidering Procedures  
Switches at Machine Heads  
BES-941BC  
BES-1241BC  
START  
Between head No. 1 and No. 2  
Between head No. 3 and No. 4  
Power switch  
Stop switch  
Stop switch  
Between head No. 2 and No. 3  
START  
Power switch  
Stop switch  
Stops embroidering operation. "Release stop SW to operate!" is displayed on  
the screen as soon as the machine stops.  
Refer to "Resetting Machine Stop" ( page 125) to stop flashing.  
Power switch  
Starts embroidering. Holding down this switch executes embroidering at a low  
speed.  
When resuming embroidering after a stop, release stop before pressing this  
switch. Refer to "Resetting Machine Stop" ( page 125) for details.  
Switches on Tension Plate  
THREAD SENSOR lamp  
HEAD switch  
MENDING lamp  
MENDING switch  
STEP BACK/FWD switch  
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Chapter 2 Embroidering Procedures  
THREAD SENSOR lamp  
When red light is on, thread breakage sensor is functioning. When the light is off,  
the sensor is not effective. When the embroidery machine stops due to thread  
breakage, the lamp flashes.  
HEAD switch  
When it is set to ON, needle bar on the head moves for embroidering. When it is  
set to OFF, the needle bar does not move for embroidering.  
MENDING lamp  
This lamp lights up when the embroidery machine is in the mending mode.  
A lamp on the head with an error lights up. (only when the error can be located)  
MENDING switch  
This switch is set to upside to drive or to suspend the machine head for a  
designated period of time when the machine steps back during embroidering.  
STEP BACK/FWD switch  
When it is turned to BACK, the machine steps back. When it is turned to FWD,  
the machine steps forward. If you keep the switch turned for a while, the machine  
will continue stepping even after you let the switch alone. When it is turned to the  
opposite side, the machine stops.  
During timing adjustment of the rotary hook in the test mode, the rotary hook  
slightly rotates to the left/right when this switch is turned to left/right respectively.  
Refer to "Adjustment of Timing Between Needle and Rotary Hook" ( page 154) for  
further details.  
If any error occurs, it can be reset.  
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Chapter 2 Embroidering Procedures  
Flowchart of Preparation for Embroidering  
Turn on the machine power. ( page 56).  
Retrieve the embroidery data ( page 57).  
"Chapter 3 Selection of Data and Embroidering" ( page 59)  
Edit the retrieved embroidery data.  
"Chapter 4 Editing of Embroidering Data" ( page 77)  
Press  
Press  
on the operation panel.  
on the operation panel.  
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Chapter 2 Embroidering Procedures  
Turn on the Machine Power  
1. Turn on the power to the machine.  
2. A message is displayed on the LCD as soon as the power is turned ON.  
BES-941BC  
BES-1241BC  
3. The alarm sounds three times. The needle bar and the presser foot move  
up. The hoop moves back to the zero point and the sewing screen is  
displayed.  
The speed range and actual speed is displayed.  
A sequence of changing colors is displayed.  
A sequence of colors is displayed.  
A total number of stitches is displayed.  
A data name is displayed.  
A number of colors registered in data is displayed.  
A kind of hoop is displayed.  
Operational icons are basically displayed; however, some icons,  
such as  
, may not be on the screen.  
STOP  
An angle at which the hoop feeding finishes is displayed.  
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Chapter 2 Embroidering Procedures  
Retrieve the Embroidery Data  
The description in this section is based on the method of reading data which is  
registered in the memory unit of the machine.  
Refer to "Selection of Data" ( Page 61) for details.  
1. Press  
switch.  
Data saved in the machine is displayed.  
2. Select a screen by pressing  
keys, and select required data by  
pressing ten keys or  
.
When using ten keys for data selection, input a numerical figure (1 ~ 9) which indicates each  
data name. Required embroidery data is selected and read.  
3. Press  
key.  
Required embroidery data is selected and read.  
Selected embroidery data is read.  
Start Embroidering  
1. Press  
to check the embroidering area.  
2. Press  
to start embroidering.  
Sewing is started and the next screen is displayed.  
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Chapter 2 Embroidering Procedures  
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Chapter 3  
Selection of Data and Embroidering  
This Chapter describes how to select em-  
broidery data in order to start embroidering.  
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Chapter 3 Selection of Data and Embroidering  
What Can the Machine Do?  
Selection of Embroidery Data  
Registration of data from the floppy disk ( Page 61)  
Reading of data from the memory ( Page 64)  
Registration of data created by BE-100 ( Page 65)  
(These icons are displayed in the lower right of the screen.)  
Modification of data name ( Page 68)  
Deletion of embroidery data ( Page 66)  
Embroidering Operation  
Embroidering start ( Page 72)  
Embroidering feedhold ( Page 73)  
Embroidering cancel ( Page 73)  
Step forward/step back ( Page 74)  
Step forward (back) stitch by stitch  
Step forward (back) by every 10 stitches  
Step forward (back) by every 100 stitches  
Step forward (back) until a next color change  
Step forward (back) to the embroidering start point  
of a next pattern  
Step forward (back) by a specified number of  
stitches ( Page 74)  
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Chapter 3 Selection of Data and Embroidering  
Selection of Data  
Select data in order to start sewing.  
Data to use for actual embroidering is selected from data registered in the machine  
memory. A maximum of 45 kinds or 480,000 stitches of embroidery data can be  
registered in the machine memory; however, depending on the combination of  
embroidery data, the number of total stitches available may become less.  
When using data in a floppy disk or in BE-100, register it in the machine memory  
once before selection.  
If there is no space in the machine memory, delete unnecessary data to make a  
space.  
Data in a floppy disk  
Machine memory  
Registration  
Data created by BE-100  
Reading  
Sewing  
Registration of Embroidery Data from Floppy Disk  
Register embroidery data from a floppy disk into the machine memory.  
Types of data to be registered are as shown below.  
• DOS-formatted data  
Data format  
Extension  
Icon  
ECS  
Data with a name of [xxxx.ECS]  
Data with a name of [xxxx.DST]  
Data with a name of [xxxx.DSB]  
Data with a name of [xxxx.DSZ]  
Tajima  
Barudan  
Zanks (DSK)  
Data received from BE-100 Data with a name of [xxxx.STH]  
(These icons are displayed in the lower right of the screen.)  
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Chapter 3 Selection of Data and Embroidering  
• Other data  
Data format  
Barudan FDR  
Barudan FMC  
Zanks ZSK  
Icon  
(These icons are displayed in the lower right of the screen.)  
Loading and Loading of Floppy Disk  
1. When loading a floppy disk, set it straight with the labeled surface facing  
this side.  
2. When unloading a floppy disk, press the eject switch.  
3. When it comes out, pull it straight.  
When the access lamp if ON, never press the eject switch. Otherwise, embroidery data in the  
floppy disk may be destroyed.  
Eject switch  
Access lamp  
Registration of Sewing Data into Machine Memory  
1. Load a floppy disk with sewing data.  
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Chapter 3 Selection of Data and Embroidering  
2. Press  
.
3. Select a screen for data registration by pressing  
.
Currently displayed screen  
No. of screens to be selected  
Data in machine memory  
Currently selected embroidery data  
Number of stitches in selected embroidery data  
When there is no data  
4. Select an area for registration, using ten keys or  
.
, then press  
A space available is automatically selected.  
Pressing  
automatically locates the first space in the memory.  
5. Data in the floppy disk is displayed. Press  
to select a screen.  
Currently displayed screen  
No. of screens to be selected  
Data in floppy disk  
Icon indicating a kind of selected data  
Pressing  
displays a pattern name.  
Name of a selected embroidery pattern  
(It may be the same as a file name.)  
6. Select data to register by pressing ten keys or  
then press  
.
Data is newly registered in the machine memory.  
Select embroidery data and press  
. The selected data is automatically registered in the  
memory and the machine enters a standby status.  
If registration is done without loading a floppy disk, the following screen is displayed after the  
step 4 is finished.  
Load a floppy disk for data registration.  
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Chapter 3 Selection of Data and Embroidering  
Reading from Memory  
Data to use for sewing can be selected from the machine memory.  
A maximum 45 kinds or 480,000 stitches of embroidery data can be registered in  
the memory.  
1. Press  
.
Embroidery data registered in the memory is displayed.  
2. Select a screen by pressing  
.
Currently displayed screen  
No. of screens to be selected  
3. Select embroidery data to read by pressing ten keys or  
.
4. Press  
.
Embroidery data is selected and read.  
When a free space is specified in the memory, a screen for reading data from the floppy disk is  
displayed.  
Refer to "Registration of Sewing Data into Machine Memory" (steps 5 and afterward on Page  
63).  
5. The initial screen is displayed.  
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Chapter 3 Selection of Data and Embroidering  
Registration of Embroidery Data from BE-100  
Connect the operation panel and the personal computer with BE-100 installed in  
order to register the embroidery data into the machine memory.  
1. Connect the personal computer with BE-100 installed and the operation  
panel by means of the RS-232C cable.  
Personal computer with BE-100 installed  
Operation panel  
Dedicated communication cable (Option)  
2. Press the  
.
3. Select the data registration screen by pressing the  
.
4. Select an area for data registration by pressing ten keys or  
, and  
then press the  
key.  
5. Press the  
.
When a floppy disk is set  
When no floppy disk is set  
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Chapter 3 Selection of Data and Embroidering  
6. Press the  
.
7. The BE-100 embroidery data is displayed. Press the  
required screen.  
and select a  
8. Select embroidery data to register by pressing ten keys or  
, and  
then press the  
key.  
The data is registered in the machine memory.  
Deletion of Embroidery Data from Machine Memory  
Embroidery data can be deleted from the machine memory.  
1. Press  
.
A list of registered data is displayed.  
2. Select a screen by pressing  
.
Currently displayed screen  
No. of screens to be selected  
3. Select embroidery data to delete by pressing ten keys or  
.
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Chapter 3 Selection of Data and Embroidering  
DEL  
4. When  
is pressed, the confirmation message is displayed.  
5. When  
memory.  
key is pressed, selected embroidery data is deleted from the  
When deleting embroidery data in the machine memory entirely:  
When deleting embroidery data registered in the machine memory entirely, turn ON  
DEL  
the power to the machine while pressing  
.
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Chapter 3 Selection of Data and Embroidering  
Modification of Embroidery Data Name  
Name of embroidery data registered in the machine memory can be modified.  
This example shows how to modify the data name "FLOWER" to "TEST003".  
A maximum number of characters to use for an embroidery data name is 8.  
The following kinds of characters can be used.  
It is impossible to input a " . " or space.  
Alphabetical characters (A ~ Z) Numerical characters (0 ~ 9)  
0
9
Use  
through  
. An input character changes depending on the number of times  
W X Y Z  
SPACE  
each is pressed as shown below.  
1 time  
1 time  
7
5
5 times  
P Q R S  
J K L  
4 times  
3 times  
2 times  
4 times  
3 times  
2 times  
_ (underbar), - (hyphen)  
1
Use  
.
.
1
.
3 times  
2 times  
1. Press  
.
Embroidery data saved in the memory is displayed.  
2. A list of embroidery data is displayed. Select a screen by pressing  
.
Currently displayed screen  
No. of screens to be selected  
3. Select embroidery data to modify the name by pressing ten keys or  
.
4. Press  
.
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Chapter 3 Selection of Data and Embroidering  
When selected data has a pattern name, the name is displayed. Press the  
key once again.  
5. Input a new data name by pressing ten keys.  
When modifying embroidery data names entirely  
DEL  
6. Pressing  
deletes currently reversed characters.  
8
7. Press  
twice.  
T U V  
"T" is input.  
3
8. Press  
three times.  
five times.  
twice.  
D E F  
"E" is input.  
7
9. Press  
P Q R S  
"S" is input.  
8
10. Press  
T U V  
"T" is input.  
0
11. Press  
once.  
SPACE  
"0" is input.  
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Chapter 3 Selection of Data and Embroidering  
12. Press  
.
When inputting the same character continuously, press the to move the cursor to the right.  
0
13. Press  
once.  
once.  
SPACE  
"0" is input.  
3
14. Press  
D E F  
"3" is input.  
15. After inputting a data name, press  
.
A data name is modified by the above procedures.  
When modifying only one character:  
[FLNWER] can be modified to [FLOWER] in the following procedures.  
6. Press  
.
7. Press twice and display "N" reversely.  
DEL  
8. Press  
.
"N" is deleted.  
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Chapter 3 Selection of Data and Embroidering  
6
9. Press  
four times.  
M N O  
"O" is input.  
10. Press  
.
A data name is modified by the above procedures.  
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Chapter 3 Selection of Data and Embroidering  
Sewing Operation  
Before Starting Sewing  
Select a hoop to set on the machine.  
The following operation should be done before turning the power ON to the  
machine. Otherwise, it will damage the hoop.  
1. Select either the flat hoop or cap hoop, using FLAT or CAP switch on the  
operation panel.  
When a flat or tabular hoop , or a sash frame is set on the machine, select [FLAT].  
When a cap hoop is set, select [CAP].  
FLAT  
CAP  
HOOP  
2. Specify an embroidery hoop set on the machine, referring to "Embroidery  
Hoop" ( Page 97).  
Starting Sewing Operation  
For details of specifying a sewing start position, refer to "Registration of Sewing  
Start Position" ( Page 105).  
When  
a dialog box is displayed for confirming whether or not to start sewing forcibly.  
Pressing starts sewing; however, depending on the start position, an  
interference with the frame may occur. Exercise added care when doing so.  
is pressed while the message "Area over" is indicated on the screen,  
1. Check that sewing data has been selected, then press  
.
Sewing is started.  
The current embroidering status is indicated.  
Indicates a sequence of color changes.  
No. of current stitches  
Indicates a name of data currently used for sewing.  
Indicates the number of data currently used for sewing.  
Currently selected speed range  
The range can be modified by pressing  
.
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Chapter 3 Selection of Data and Embroidering  
Feedhold and Cancellation of Sewing  
Feedhold  
1. Press  
.
STOP  
Sewing is interrupted.  
Cancellation  
ESC  
1. Press  
while sewing is interrupted.  
When repetition of patterns is set, a pattern which is currently being sewn is canceled. When  
canceling all patterns, press once again.  
ESC  
2. A message for confirmation is displayed. When canceling sewing, press  
.
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Chapter 3 Selection of Data and Embroidering  
Step Forward and Step-Back  
Stitches can be advanced (step forward) or retracted (step-back) without sewing.  
Step Forward/Step-Back Mode  
1. Press  
when selecting either mode before starting sewing and press  
when selecting a mode during sewing.  
STOP  
Setting Amount or Timing of Step Forward/Step-Back  
A step forward/step-back amount or timing can be selected as described below.  
For stepping forward (back) stitch by stitch  
For stepping forward (back) by 10 stitches  
For stepping forward (back) by 100 stitches  
For stepping forward (back) up to the next (previous) color change  
For stepping forward up to the sewing start point of a next pattern if  
repetition of patterns is set.  
Specify the number of stitches for stepping forward (back).  
1. Select a required item as described above by pressing  
.
When the number of stitches is specified, the needle steps forward  
(back) to an input position:  
1. Press the  
five times.  
2. Input the number of stitches to move by pressing ten keys.  
END  
3. Press the  
.
The needle steps forward (back) as specified.  
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Chapter 3 Selection of Data and Embroidering  
4. The embroidery head advances (retracts) by a specified number of  
stitches.  
For Step Forward (Back)  
1. Press  
.
Stitches steps forward (back) by a specified amount.  
Resuming Sewing  
1. Press  
.
Sewing is started.  
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Chapter 3 Selection of Data and Embroidering  
Writing the embroidering data  
The embroidering data stored in the memory of the machine is written to the floppy disk.  
The format of the data to be written is brother ESC or TAJIMA TFD.  
1. Press the  
button.  
The embroidering data stored in the memory is displayed.  
2. The list of the embroidering data is displayed. Select the screen by  
pressing  
.
3. Select the embroidering data to be written with numeric keys or  
.
END  
4. Press the  
button.  
5. Designate the thread trimming feed number with  
.
It cannot be designated when the ECS data format is selected.  
DEL  
Use numeric keys,  
, or the  
button to change the file name.  
6. Highlight the icon of the data format with  
of the data to be written with  
and designate the format  
.
7. Highlight the edit value validating or invalidating icon with  
designate validating or invalidating of the edit value.  
and  
8. Set the formatted floppy disk.  
END  
9. Press the  
button.  
The selected embroidering data is stored on the floppy disk.  
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Chapter 4  
Editing of Embroidering Data  
Pressing  
on the operation panel after  
reading embroidering data displays the em-  
broidering data editing screen. Simple op-  
eration by using embroidering data is avail-  
able on this screen.  
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Chapter 4 Editing of Embroidering Data  
What Can the Machine Do?  
Editing  
Enlargement/reduction is executed ahead of rotation. When an embroidery  
pattern is so set to be rotated by 90˚ and then enlarged by 2 times in the X-axis  
direction, the X-axis enlargement is executed first and rotation by 90˚ is executed  
afterwards. Therefore, a pattern is enlarged by 2 times at the sewing point.  
Rotation of embroidery pattern ( Page 79)  
Enlargement/reduction of embroidery pattern in the X-axis direction  
(
Page 80)  
Enlargement/reduction of embroidery pattern in the Y-axis direction  
Page 80)  
(
Mirror pattern ( Page 82)  
Right/left mirror pattern  
Up/down mirror pattern  
Zero point symmetric mirror pattern  
No. of repetitions in the horizontal direction (lines) ( Page 84)  
No. of repetitions in the vertical direction (rows) ( Page 84)  
(
(
)
Distance in the horizontal direction between two outer hoop  
centers ( Page 84)  
)
Distance in the vertical direction between two outer hoop  
centers ( Page 84)  
Direction of repetitions ( Page 84)  
Horizontal direction from upper left to lower right  
Vertical direction from upper right to lower left  
Horizontal direction from lower right to upper left  
Vertical direction from lower left to upper right  
Horizontal direction from upper right to lower left  
Vertical direction from upper left to lower right  
Horizontal direction from lower left to upper right  
Vertical direction from lower right to upper left  
0 stitch deletion ( Page 86)  
Thread trimming feed number ( Page 87)  
Swing width correction ( Page 87)  
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Chapter 4 Editing of Embroidering Data  
Rotation  
A pattern can be rotated.  
A maximum range of rotation is 1 ~ 359 degrees.  
The rotating direction is counterclockwise.  
Rotating angle can be set in either of the following.  
By using  
Angle can be specified in increments of 90˚. Setting of 90˚,180˚  
or 270˚ is available.  
By using ten keys  
Angle can be specified in increments of one degree.  
1. Read sewing data.  
2. Press  
3. Press  
.
to select an angle or use ten keys to specify an angle.  
END  
4. Press  
.
The initial screen is displayed again.  
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Chapter 4 Editing of Embroidering Data  
Enlargement and Reduction  
A pattern can be enlarged or reduced.  
The enlargement and reduction ratio is 50 ~ 200%.  
The number of stitches does not change even by enlargement or reduction of a  
pattern. However, stitches may become too rough or close if enlargement or  
reduction is excessive.  
There are the following two types of enlargement/reduction.  
• Enlargement/reduction at the same ratio in both the X and Y directions  
• Enlargement/reduction at different ratios in the X and Y directions  
1. Read sewing data.  
2. Press  
.
Enlargement/reduction at the same ratio in the X/Y directions  
3. Press  
.
are reversed in black.  
4. Input enlargement/reduction ratio by pressing ten keys.  
END  
5. Press  
.
The initial screen is displayed again.  
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Chapter 4 Editing of Embroidering Data  
Enlargement/reduction at different ratios in the X/Y directions  
3. Press  
twice.  
is reversed in black.  
4. Input enlargement/reduction ratio in the X direction by pressing ten keys.  
5. Press  
.
is reversed in black.  
6. Input enlargement/reduction ratio in the Y direction by pressing ten keys.  
END  
7. Press  
.
The initial screen is displayed again.  
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Chapter 4 Editing of Embroidering Data  
Mirror  
A pattern can be reversed as if it is reflected in the mirror.  
Right/left mirror patter  
Up/down mirror patter  
Zero point-symmetric mirror patter  
Up/down mirror pattern  
pattern.  
Right/left mirror pattern  
Zero point-symmetric mirror  
Right/left mirror pattern  
The pattern is reversed in the right/left  
direction on the basis of the embroidering  
start point.  
Up/down mirror pattern  
The pattern is reversed in the up/down  
direction on the basis of the embroidering  
start point.  
Zero point-symmetric mirror pattern  
The pattern is reversed on the basis of  
the embroidering start point.  
1. Sewing data is read.  
2. Press  
.
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Chapter 4 Editing of Embroidering Data  
Right/Left Mirror Pattern  
3. Keep pressing  
until  
is displayed.  
END  
4. Press  
.
The initial screen is displayed again.  
Up/Down Mirror Pattern  
3. Keep pressing  
until  
is displayed.  
END  
4. Press  
.
The initial screen is displayed again.  
Zero Point-Symmetric Mirror Pattern  
3. Keep pressing  
until  
is displayed.  
END  
4. Press  
.
The initial screen is displayed again.  
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Chapter 4 Editing of Embroidering Data  
Repetition  
A pattern is repeatedly copied as many times as specified.  
The number of repetitions is 1 ~ 99 in both the vertical (row) and horizontal (line)  
directions.  
There are the following eight directions of repetitions.  
Horizontal direction from upper left to lower right  
Vertical direction from upper right to lower left  
Horizontal direction from lower right to upper left  
Vertical direction from lower right to upper left  
Vertical direction from lower left to upper right  
Horizontal direction from upper right to lower left  
Vertical direction from upper left to lower right  
Horizontal direction from lower left to upper right  
There are the following two types of intervals between repetitions.  
By setting a distance between the outer hoops of each pattern  
By setting a distance between the centers of each pattern  
1. Read sewing data.  
2. Press  
twice.  
3. Input the number of repetitions in the vertical and horizontal directions,  
by pressing ten keys.  
The vertical and horizontal directions are changed over by pressing  
.
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Chapter 4 Editing of Embroidering Data  
4. Press  
.
5. Input intervals between repetitions by pressing ten keys.  
The vertical and horizontal directions are changed over by pressing  
.
Press  
for setting a distance between the centers of each pattern.  
For setting a distance between the outer  
hoops of each pattern  
For setting a distance between the centers  
of each pattern  
6. Select the direction of repetitions by pressing  
.
END  
7. Press  
.
The initial screen is displayed again.  
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Chapter 4 Editing of Embroidering Data  
Other Editing  
Setting of other functions related to editing is available.  
The following types of setting is available.  
0 stitch deletion  
For deleting stitches at the same point without  
stepping forward or back.  
This function is previously set to  
0stitch)upon shipment.  
For deleting 0 stitch  
(for not deleting  
For not deleting 0 stitch  
Thread trimming feed number  
For setting the number of feeds for thread trimming  
This function is previously set to (ECS data)  
or (Except ECS data)upon shipment.  
~
For thread trimming at the number of feeds  
indicated on the icon  
For not thread trimming by feeding  
Swing width correction  
For setting the needle swing width correction amount  
The correction amount can be set in increments of 0.1mm.  
The setting range is -0.5 ~ 2.0mm in both the X and  
Y directions. (The setting range is displayed as "-5  
~ 20" on the screen.)  
This function is previously set to 0(no swing width  
correction)upon shipment.  
1. Read sewing data.  
2. Press three times.  
0 Stitch Deletion  
3. Select this function by pressing  
.
END  
4. Press  
after setting is finished.  
Press  
when setting continuously.  
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Chapter 4 Editing of Embroidering Data  
Thread Trimming Feed Number  
3. Select this function by pressing  
.
4. Select the number of feeds by pressing  
.
END  
5. Press  
after setting is finished.  
Swing Width Correction  
Correction values within -5 ~ 20 can be input. However, excessively large values  
may result in distortion of a pattern.  
3. Select this function by pressing  
.
4. Select a correction amount in the X direction by pressing  
.
5. Reverse by pressing  
.
6. Input a correction amount in the Y direction by pressing  
.
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Chapter 4 Editing of Embroidering Data  
END  
7. Press  
after setting is finished.  
Press  
when setting continuously.  
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Chapter 5 Setting  
This Chapter describes how to set a sewing  
speed, correct trouble including thread break-  
age and others related to machine motions.  
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Chapter 5 Setting  
What Can the Machine Do?  
Setting of Needle Bars  
Needle bars allocated in the sequence of embroidering ( Page 92)  
Setting of Thread Breakage Sensor  
Thread breakage sensor ON/OFF ( Page 94)  
Thread breakage sensitivity ( Page 94)  
Number of stitches in automatic step back ( Page 95)  
Display of total stitch number in automatic step back  
Lower thread counter counts ( Page 96)  
Stitch counter indication ( Page 96)  
Setting of Machine  
Selection of embroidery hoop ( Page 97)  
Display of every head/every other head ( Page 97)  
Speed range ( Page 98)  
Speed in speed range ( Page 99)  
Thread trimming length ( Page 102)  
Thread removal feed length ( Page 102)  
Inching ON/OFF ( Page 103)  
Sewing area ( Page 104)  
Resetting of thread breakage error ( Page 101)  
Needle bar stop at mending stop point ( Page 101)  
Method of thread trimming before thread breakage error (  
Method of thread trimming before stop ( Page 101)  
Page 101)  
Setting of Environment  
Return to start point after embroidering end ( Page 107)  
Method of reflecting modified machine speed ( Page 107)  
Method of checking the embroidery area ( Page 108)  
Power voltage ( Page 109)  
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Chapter 5 Setting  
Data transfer speed ( Page 109)  
Display language ( Page 110)  
Alarm sound ( Page 111)  
Motive speed ( page 112)  
Release B1 error ( page 113)  
Setting of Boring  
Boring mode ON/OFF ( page 114)  
Data shift ON/OFF ( page 115)  
Setting of Lock Stitch  
Lock stitch ON/OFF (sewing start position) ( page 115)  
Lock stitch ON/OFF (sewing send position) ( page 116)  
Lock stitch ON/OFF (sewing start position after thread trimming) ( page 117)  
Setting of speed limit in a small pitch  
Speed limit in a short pitch ( page 118)  
Display of Information  
Display of pattern information ( Page 120)  
Features of machine ( Page 121)  
Version information ( Page 122)  
Hoop Retract Point  
Hoop retract point ( Page 105)  
Automatic hoop retract ON/OFF ( Page 106)  
Hoop Movement  
Registration of embroidering start point ( Page 105)  
Movement to registered sewing start point ( Page 106)  
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Chapter 5 Setting  
Setting of Needle Bars  
Needle bars allocated in the sequence of sewing can be modified.  
This setting is explained on the basis of the BES-1241BC screen.  
1. Press  
2. Select a sewing sequence to modify by pressing  
.
.
The current embroidering sequence is selected while embroidering is interrupted.  
Press  
for modifying all sequences at one time.  
3. Input the number of a needle bar by pressing ten keys.  
0
When inputting a numerical figure exceeding 10, press the  
first.  
SPACE  
Insertion of Feedhold  
Press and reverse the display on the right of a point to insert a feedhold, then  
press  
.
STOP  
A feedhold mark is displayed.  
END  
4. Press  
.
Modified setting is saved and the previous screen is displayed again.  
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Chapter 5 Setting  
Insertion of Hoop Retract  
1. Press  
to highlight the position right next to the position to insert the  
hoop retract and press  
.
END  
2. Press the  
button.  
The changed setting is stored and the previous screen is displayed.  
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Chapter 5 Setting  
Thread Breakage Sensor  
Validity or invalidity and sensitivity of the thread breakage sensor can be set.  
Setting of sensor validity/invalidity  
This function is previously set to valid for all heads upon shipment.  
1. Press  
.
2. Specify the number of a machine head by pressing ten keys and validate  
or invalidate the thread breakage sensor.  
Pressing the same ten key once again changes between validity and invalidity.  
Heads with which the sensor is valid  
Press  
to switch over the thread breakage sensor for each head between ON and OFF.  
END  
3. Press  
.
Modified setting is saved and the initial screen or halt screen is displayed again.  
Thread Breakage Sensitivity  
Sensitivity of the thread breakage sensor can be set.  
The sensitivity can be set within the range of 1 ~ 100. Sensitivity increases as  
the figure decreases.  
This function is previously set to 10 upon shipments.  
1. Press  
twice.  
2. Select the needle bar for which the sensitivity is modified by pressing  
.
The number of needle bars changes in the sequence of :  
ALL (all needle bars)  
1
2
... 9 or 12 (max.)  
ALL  
...  
3. Select  
by pressing  
.
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Chapter 5 Setting  
4. Input sensitivity of the thread breakage sensor.  
END  
5. Press  
.
Modified setting is saved and the previous screen is displayed again.  
Automatic Step-Back  
The number of stitches to step back automatically in case of a thread breakage can  
be set.  
Setting can be done within the range of 0 ~ 10 stitches.  
This function is previously set to 0 stitches upon shipments.  
1. Press  
2. Select  
twice.  
by pressing  
.
3. Input the number of stitches to step back automatically by pressing ten  
keys.  
Pressing  
sets whether to execute an extra step-back by a sensitivity amount of the thread  
breakage sensor in the automatic step-back mode.  
Total number of stitches to step back in  
the automatic step-back mode  
When stepping back by a sensitivity  
amount of the thread breakage sensor  
When stepping back by preset number of  
stitches  
END  
4. Press  
.
Modified setting is saved and the previous screen is displayed again.  
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Chapter 5 Setting  
Setting of Lower Thread Counter/Stitch Counter  
The lower thread counter reduces the indication each time one pattern is finished.  
After the reduction is finished, an error message can be displayed.  
The stitch counter increases the indication stitch by stitch.  
The lower thread counter can be validated or invalidated by pressing  
.
DEL  
The stitch counter can be cleared to zero by pressing  
1. Press three times.  
.
2. Input the number of counts of the lower thread counter by pressing ten  
keys.  
Number of stitches  
END  
3. Press  
.
Modified setting is saved and the initial screen or halt screen is displayed again.  
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Chapter 5 Setting  
Setting of Machine  
Machine motions can be set.  
Embroidery Hoop  
Specify a type of an embroidery hoop set on the machine.  
A type of a hoop to be selected varies depending on a type of a hoop (flat or cap)  
selected by a switch on the operation panel.  
When a flat hoop is selected  
When a cap hoop is selected  
Tabular square hoop  
Sash frame  
Flat hoop  
Semi-wide cap frame  
Wide cap frame  
All heads or every other head can be selected by pressing  
.
All heads  
Every other head (Only heads No. 1 and No. 4 are operated.).  
When operating every other head, refer to "4-5 Flat Frame Every Other Head  
Operation" ( Page 45) and remove the presser feet of heads No. 2 and No. 3.  
1. Press  
2. Select  
.
by pressing  
.
3. Press  
.
4. Select a type of a hoop by pressing  
.
All heads or every other head as  
currently selected  
Currently selected hoop  
5. Select either all heads or every other head by pressing  
.
END  
6. Press  
.
Modified setting is saved and the previous screen is displayed again.  
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Chapter 5 Setting  
Speed Range  
A range of speed for each needle bar can be set.  
This setting is explained on the basis of the BES-941 screen.  
The speed range can be set within the range of 1 ~ 6.  
1. Press  
2. Select  
.
by pressing  
.
3. Press  
.
4. Select a needle bar by pressing  
.
When setting the same speed range for all needle bars, press  
.
When modifying the speed range for one  
needle bar  
When modifying the speed range for all  
needle bars  
5. Input a required speed range by pressing ten keys.  
END  
6. After modification is finished, press  
.
Modified setting is saved and the previous screen is displayed again.  
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Chapter 5 Setting  
Speed of Each Speed Range  
Maximum speed of each range can be set.  
Speed can be input in increments of 10rpm.  
The upper limit of a speed to be set varies depending on a selected hoop.  
1. Press  
2. Select  
.
by pressing  
.
3. Press  
.
4. Select a speed range to modify by pressing  
.
Upper limit of speed to be set in each range  
Maximum speed  
Lowest speed  
5. Input a required speed by pressing ten keys.  
END  
6. After modification is finished, press  
.
Modified setting is saved and the previous screen is displayed again.  
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Chapter 5 Setting  
Setting of Mending  
Details of mending can be set in case of a thread breakage.  
Contents of each setting item are as described below.  
Item  
Contents  
For setting a mending end point (number of stitches before a thread  
breakage) within the range of 1 ~ 10.  
This function is previously set to 1 stitches upon shipments.  
For setting whether to reset a thread breakage error automatically  
This function is previously set to  
(Manual) upon shipments.  
For resetting an error automatically  
For resetting an error manually  
For setting whether to stop embroidering temporarily at the mending end point  
For stopping embroidering at the mending end point  
For stopping embroidering temporarily at the mending end point  
and then starting all heads automatically  
For not stopping embroidering at the mending end point and  
continuing embroidering  
Manually trim the lower thread immediately after resetting a  
thread breakage error if feeding by stitch back is long (i.e., 40 to  
50 mm or more) in this mode.  
Set the thread trimming method to  
.
For setting a thread trimming method using the  
immediately after  
resetting a thread breakage error. (This setting is effective only once  
after resetting the error.)  
For trimming both upper and lower threads  
For trimming the lower thread only  
For not trimming any thread  
Refer to "Mending" ( Page 127).  
1. Press  
2. Select  
.
by pressing  
.
3. Press  
.
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Chapter 5 Setting  
Setting of thread breakage error resetting method  
4. Select  
by pressing  
.
5. Press  
for modifying a resetting method.  
For setting whether to stop embroidering temporarily at the mending  
stop point  
4. Select  
by pressing  
.
5. Press  
and select whether to stop embroidering temporarily.  
Setting of thread trimming method after stopping  
4. Select a thread trimming method by pressing  
.
Setting of mending stop position  
4. Select a stop point (number of stitches before mending) by pressing ten  
keys.  
The machine does not stop if the automatic step-back setting is lower than the input value.  
Modify this figure.  
END  
After setting all items, press  
.
Modified setting is saved and the initial screen is displayed again.  
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Chapter 5 Setting  
Thread Trimming Length  
Length of thread to leave on the needle bar after thread trimming can be set for  
each needle bar.  
This function is previously set to 5 upon shipments.  
1. Press  
2. Select  
.
by pressing  
.
3. Press  
.
4. Select a needle bar to modify by pressing  
.
Press  
for setting the same speed range for all needle bars.  
5. Input thread length by pressing ten keys.  
Thread length can be input within the range of 1 ~ 10. Length decreases as the figure decreases.  
0
When inputting "10", press the  
first.  
SPACE  
END  
6. After setting is finished with all needle bars, press  
.
Modified setting is saved and the previous screen is displayed again.  
Thread Withdrawal Feed Length  
Thread withdrawal length can be set before thread trimming.  
The input range is 0 ~ 100mm.  
This function is previously set to 15mm upon shipments.  
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Chapter 5 Setting  
1. Press  
2. Select  
.
by pressing  
.
3. Press  
.
4. Input thread withdrawal length by pressing ten keys.  
END  
5. Press  
.
Modified setting is saved and the previous screen is displayed again.  
Inching  
Whether to select the inching mode for thread trimming can be set.  
This function is previously set to selected upon shipments.  
1. Press  
2. Select  
.
by pressing  
.
3. Press  
.
4. Set whether to select the inching mode by pressing  
.
END  
5. Press  
.
Modified setting is saved and the previous screen is displayed again.  
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Chapter 5 Setting  
Sewing Area  
An allowable area for sewing can be set.  
A maximum sewing area during operation of every other machine heads is as  
shown below.  
460mm  
(0, 0)  
1
(450mm)  
2
(460, 450)  
1. Press  
2. Select  
.
by pressing  
.
3. Press  
.
4. Specify coordinates of the upper left of the sewing area. Move the hoop  
by pressing  
.
Indicates a currently set embroidery area  
5. Press  
.
Pressing  
set a maximum area designated for a currently set hoop.  
6. Specify coordinates of the lower right of the sewing area. Move the hoop  
by pressing  
.
END  
7. Press  
.
Pressing  
restores a status before modification of setting.  
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Chapter 5 Setting  
Registration of Sewing Start Position  
Register a position to start sewing.  
When returning to a registered sewing start position, hold down  
.
and press  
STOP  
1. Press the  
key.  
The hoop coordinates are displayed.  
2. Shift the hoop to a position to start sewing by pressing the  
.
END  
3. Press  
.
4. Press the  
key.  
Hoop Retract Point  
The hoop basic point (retract point) can be set when sewing is interrupted.  
When restarting sewing after the hoop is retracted during an interrupt, press  
.
1. Press  
.
2. Move the hoop by pressing  
.
Current hoop coordinates  
END  
3. Press  
.
Modified setting is saved and the initial screen or halt screen is displayed again.  
The hoop returns to the initial point.  
Cancellation of Setting  
1. Press  
once again.  
Modified setting is canceled and the initial screen or halt screen is displayed again. The hoop  
returns to the initial point.  
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Chapter 5 Setting  
Hoop Automatic Retract  
Set whether to move the hoop automatically to the retract point at the end of sewing.  
This function is previously set to no hoop automatic retract upon shipments.  
1. Press  
.
2. Select whether to retract the hoop automatically by pressing  
.
For automatically retracting the hoop  
For not retracting the hoop automatically  
END  
3. Press  
.
Modified setting is saved and the initial screen or halt screen is displayed again.  
Movement to Registered Sewing Start Point  
This operation should be done before starting sewing.  
1. Hold down  
and press  
.
STOP  
2. The hoop moves and the zero point is detected. Then the hoop moves to  
a registered start point.  
3. The initial screen is displayed again.  
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Chapter 5 Setting  
Setting of Environment  
Return to Start Point  
Whether to return to the start point after sewing is finished can be set.  
1. Press twice.  
2. Select by pressing  
.
3. Press  
4. Select  
.
by pressing  
.
5. Select whether to validate a return to the start point by pressing  
.
When the start point return is valid  
When the start point return is invalid  
END  
6. Press  
.
Modified setting is saved and the previous screen is displayed again.  
Speed Range  
For setting whether to reflect modified machine speed to all needle bars.  
1. Press  
2. Select  
twice.  
by pressing  
.
3. Press  
.
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Chapter 5 Setting  
4. Select  
by pressing  
.
5. Modify setting by pressing  
.
ESC  
Press  
for invalidating the modification.  
END  
6. Press  
.
Modified setting is saved and the previous screen is displayed again.  
Checking the Embroidery Area  
The embroidery area can be checked according to the following procedure.  
The following two checking methods (rectangle and octagon) can be selected.  
Item  
Contents  
Checking by rectangle tracing  
Checking by octagon tracing  
1. Press  
2. Select  
twice.  
with  
.
3. Press  
4. Press  
.
to select  
.
5. Press  
to change the settings.  
Checking with the rectangle  
Checking with the octagon  
END  
6. Press  
.
The changed settings are stored and the previous screen is displayed.  
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Chapter 5 Setting  
Power Voltage  
Voltage of power supplied to the machine can be specified.  
Available voltage is 200V, 220V, 230V and 240V.  
Item  
Contents  
200V  
220V  
230V  
240V  
1. Press  
2. Select  
twice.  
by pressing  
.
3. Press  
.
4. Select voltage by pressing  
.
END  
5. Press  
.
Modified setting is saved and the previous screen is displayed again.  
Setting of RS-232C Communication Speed  
Speed for transferring embroidery data between the operation panel and a personal  
computer with BE-100 installed.  
The transmission speed can be selected within the range of 9600, 19200, 38400  
and 115200. (unit : bps)  
1. Press  
2. Select  
twice.  
by pressing  
.
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Chapter 5 Setting  
3. Press  
.
4. Select [RS Speed] by pressing  
.
~
5. Select cpmmunication speed by pressing  
.
END  
6. Press  
.
Modified setting is saved and the previous screen is displayed again.  
Display Language  
A language to display on the screen can be set.  
The following languages can be selected.  
Display  
JPN  
Contents  
Japanese  
English  
Eng  
~
Espanl  
Spanish  
French  
fr.  
1. Press  
2. Select  
twice.  
by pressing  
.
3. Press  
.
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Chapter 5 Setting  
4. Select [Language] by pressing  
.
5. Select a language to display by pressing  
.
END  
6. Press  
.
The previous screen is displayed again with a display in a selected language.  
Alarm Sound  
Whether to generate a sound in case of an error can be set.  
The following sounds can be set.  
ON  
OFF  
5
A sound is generated until the error is reset.  
A sound is generated twice.  
A sound is generated five times.  
1. Press  
2. Select  
twice.  
by pressing  
.
3. Press  
.
4. Select [Beep] by pressing  
.
5. Select a kind of sound by pressing  
.
END  
6. Press  
.
Modified setting is saved and the previous screen is displayed again.  
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Chapter 5 Setting  
Motive Speed  
The startup speed of the main shaft can be set.  
The following startup speed can be set.  
NOMAL  
UP  
Starts up the main shaft at the normal speed.  
Speeds up the startup speed of the main shaft.  
CAP  
Speeds up the startup speed of the main shaft when using the cap frame.  
FLAT  
Speeds up the startup speed of the main shaft when using a frame other  
than the cap frame.  
1. Press  
2. Select  
twice.  
with  
.
3. Press  
.
4. Select "Motive Speed" with  
.
5. Select the type of the startup speed of the main shaft with  
.
END  
6. Press the  
button.  
The changed settings are stored and the previous screen is displayed.  
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Chapter 5 Setting  
Release B1 error  
The resetting method of the b1 error can be set.  
The following resetting methods can be set.  
MANUAL  
AUTO  
Manually resets entanglement  
Automatically resets entanglement  
RETRY  
Automatically resets entanglement and restarts the operation  
1. Press  
2. Select  
twice.  
with  
.
3. Press  
.
4. Select "Release b1 err" with  
.
5. Select the resetting method with  
.
END  
6. Press the  
button.  
The changed settings are stored and the previous screen is displayed.  
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Chapter 5 Setting  
Boring  
Whether to validate or invalidate the boring mode and to shift data in case of boring  
can be set.  
This setting is available only for sewing data which has been created for boring.  
The machine itself cannot check if the sewing data is for boring or not. Therefore,  
make sure to check the data before starting sewing.  
Mount the following optional accessories on the machine before starting sewing.  
• Boring knife  
• Needle plate for boring  
If editing including enlargement, reduction or rotation is done using sewing data  
created for boring, the correct sewing may not be available.  
This function is previously set to :  
• Boring mode valid/invalid  
• Data shift valid/invalid  
:
:
invalid  
invalid  
Validation/Invalidation of Boring Mode  
1. Press  
twice.  
2. Select  
by pressing  
.
3. Press  
.
4. Select  
by pressing  
.
5. Validate or invalidate the boring mode by pressing  
.
When the boring mode is valid  
When the boring mode is invalid  
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Chapter 5 Setting  
Validation/Invalidation of Data Shift  
1. Press  
twice.  
2. Select  
by pressing  
.
3. Press  
.
4. Select  
by pressing  
.
5. Validate or invalidate the data shift by pressing  
.
When the data shift is valid  
When the data shift is invalid  
END  
6. Press  
.
Modified setting is saved and the previous screen is displayed again.  
Lock Stitch  
Lock stitch can be set at the sewing start and end positions and sewing start position  
after trimming thread.  
Setting lock stitch at the sewing start position  
1. Press  
twice.  
2. Select  
with  
.
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Chapter 5 Setting  
3. Press  
4. Select  
5. Press  
.
with  
.
to validate or invalidate the lock stitch.  
Validating the lock stitch  
Invalidating the lock stitch  
END  
6. Press the  
button.  
The changed settings are stored and the previous screen is displayed.  
Setting the lock stitch on the sewing send position  
1. Press  
twice.  
2. Select  
with  
.
3. Press  
.
4. Select  
with  
.
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Chapter 5 Setting  
5. Press  
to validate or invalidate the lock stitch.  
Validating the lock stitch  
Invalidating the lock stitch  
END  
6. Press the  
button.  
The changed settings are stored and the previous screen is displayed.  
Setting the lock stitch at the sewing start position after thread trimming  
1. Press  
twice.  
2. Select  
with  
.
3. Press  
4. Select  
5. Press  
.
with  
.
to validate or invalidate the lock stitch.  
Validating the lock stitch  
Invalidating the lock stitch  
END  
6. Press the  
button.  
The changed settings are stored and the previous screen is displayed.  
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Chapter 5 Setting  
Speed Limit in a Short Pitch  
Speed can be limited when stitching in a designated pitch.  
The pitch can be designated between 0.0 and 2.0 mm in units of 0.1 mm.  
The speed can be set from 400 rpm to the maximum speed available for the  
current frame in units of 10 rpm.  
1. Press  
2. Select  
twice.  
with  
.
3. Press  
.
4. Designate the stitch length to be limited with  
.
5. Designate the speed to be limited with  
.
END  
6. Press the  
button.  
The changed settings are stored and the previous screen is displayed.  
Invalidating speed limit in a short pitch  
1. Press the  
button after the setting screen is displayed.  
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Chapter 5 Setting  
END  
2. Press the  
button.  
The changed settings are stored and the previous screen is displayed.  
Feed Timing  
The timing of needle drop and hoop movement can be adjusted according to the  
cloth thickness.  
The value can be designated between 95 and 125 degrees in 1-degree units.  
The smaller values are suitable for thick material and the larger ones are suitable  
for thin material. The standard value is 110 degrees.  
1. Press  
2. Select  
three times.  
with  
.
3. Press  
.
4. Designate the feed end angle with  
.
END  
5. Press the  
button.  
The changed settings are stored and the previous screen is displayed.  
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Chapter 5 Setting  
Display of Information  
Information about the machine and patterns can be displayed on the screen.  
Pattern Information  
Detailed information about a selected pattern can be checked.  
Contents of information to be displayed are as shown below.  
Size of sewing data (mm)  
Coordinates of embroidering start point  
Coordinates of embroidering end point  
Number of stitches  
Number of colors  
Name of data  
1. Press  
2. Select  
three times.  
by pressing  
.
3. Press  
.
4. Check information about patterns.  
ESC  
5. Press  
.
The previous screen is displayed again.  
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Chapter 5 Setting  
Features of Machine  
Detailed information of the machine can be checked.  
Contents of information to be displayed are as shown below.  
Maximum moving range of flat hoop (for all heads)  
Maximum moving range of flat hoop (for every other head)  
Maximum moving range of cap hoop  
Number of heads  
Number of needle bars per head  
1. Press  
2. Select  
three times.  
by pressing  
.
3. Press  
.
4. Check information about the machine.  
ESC  
5. Press  
.
The previous screen is displayed again.  
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Chapter 5 Setting  
Information about Versions  
Information about CPU ROM version, etc. can be checked.  
Contents of information to be displayed are as shown below.  
Software version  
Main CPU ROM version  
Machine's bridge type (W: wide bridge S: standard bridge)  
Upper axis CPU ROM version  
Lower axis CPU ROM version  
Rotary hook type (1: earlier type 2: new type)  
Interface CPU ROM version  
Feed wave form table version  
Machine's bridge type (W: wide bridge S: standard bridge)  
1. Press  
2. Select  
three times.  
by pressing  
.
3. Press  
.
4. Check information about versions.  
The version is displayed by numerical figures (1 ~ 255).  
Operation panel version  
Upper axis CPU ROM version  
Interface CPU ROM version  
Machine's bridge type  
Feed wave form table version  
Lower axis CPU ROM version  
Rotary hook type  
Machine's bridge type  
Main CPU ROM version  
ESC  
5. Press  
.
The previous screen is displayed again.  
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Chapter 6 Operation of Machine  
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Chapter 6 Operation of Machine  
1. Operating Procedures  
1-1 Power Source  
1. Turn the power on to the machine.  
2. Reset the emergency stop button.  
3. Press the power switch.  
4. A message is displayed on the LCD.  
• The alarm sounds three times and the  
needle bar and the presser foot move  
upward. Then the hoop moves to the zero  
point and the sewing data screen is  
displayed.  
Note) When turning the power off and back it on  
again, wait for at least 10 seconds.  
Emergency stop switch  
Power switch  
1-2 Preparation for Embroidering  
• Select embroidering data.  
• Using the jog switches (  
), determine a position to start embroidering.  
Note) An error message is displayed on the LCD if a pattern comes out of the hoop.  
• Pressing  
starts embroidering.  
• After embroidering is finished, the machine is placed in the stand-by state.  
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Chapter 6 Operation of Machine  
2. Machine Stop  
2-1. Stopping the Machine  
Press the stop switch or  
operation of the machine.  
to stop the  
STOP  
The stop switch adopts the push-turn-lock  
method. If you want the machine to remain  
stopped, turn the stop switch clockwise  
while pushing it.  
2-2. Resetting Machine Stop  
• When the stop switch is locked by turning  
it while pressing it, the message, "Release  
stop SW to operate!", is displayed on the  
operation panel.  
• To reset the stop switch, turn it  
counterclockwise while pressing it. The  
knob of the switch pops up and machine  
stop is reset.  
• Check to see that both stop switches at left  
and right are reset.  
2-3. Emergency Stop of the Machine  
When the emergency stop switch is  
pressed, all power except that for the  
fluorescent lamp is turned off.  
2-4. Resetting Emergency Stop  
When turning the emergency stop switch  
in the direction of the arrow illustrated on  
the switch, the knob of the switch pops up  
and emergency stop is reset.  
Press the power switch to turn on the  
power again.  
Emergency stop switch  
Power switch  
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Chapter 6 Operation of Machine  
3. Measures against Thread Breakage  
3-1 Remedies  
1. If embroidering is suspended due to thread  
breakage, the THREAD SENSOR lamp of  
the machine head with a thread breakage  
blinks.  
2. Correct the broken thread and pass it  
through again.  
* Refer to "Chapter 1, 4-1 Upper Threading" ( Page 34)  
for details.  
3. Press the STOP switch or press the STEP  
BACK/FWD switch in order to reset the  
alarm.  
STOP  
4. Return the hoop to a position where thread  
breakage occurred by pressing the STEP  
BACK switch.  
THREAD SENSOR  
lamp  
HEAD switch  
or  
MENDING lamp  
MENDING switch  
Note) When the switch is turned for 5 stitches or  
more, the machine continues operation with-  
out holding the switch. To stop the machine,  
turn the switch to the opposite side.  
STEP BACK/FWD  
switch  
5. Press the START switch on the operation  
panel or the start switch located between  
the machine heads to resume operation.  
or  
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Chapter 6 Operation of Machine  
3-2 Mending  
The machine head whose MENDING lamp is lit performs embroidering by the preset number  
stitches. When it is completed, all the machine heads start normal embroidering operation.  
• The MENDING lamps except for the  
machine head whose needle thread has  
been broken are turned off.  
• At this time, the machine head, whose  
MENDING lamp is on, performs resewing  
from the step-back position while the other  
machine heads (with MENDING lamps off)  
are stopped. When resewing is completed,  
the other machine heads (except those  
halted or with bed retracted) also start  
embroidering.  
Manual operation  
The mending start and end positions can be set for each machine head using the MENDING switch on  
the tension plate.  
The MENDING lamp is lit when the  
MENDING switch of each machine head is  
flipped up during standby. Resewing from  
the step-back position to this position can  
be executed.  
* When the MENDING switch is flipped up  
while the MENDING lamp is off, the lamp is  
turned on; when the MENDING switch is  
flipped up again while the MENDING lamp  
is lit, the lamp is turned off.  
Note) The mending end position cannot be set for  
each machine head.  
When all MENDING lamps are turned on, the  
mending end position will be set to the posi-  
tion where one of the lamps is turned off first.  
Note) To cancel the mending end position, turn all  
the MENDING lamps are turned on (except for  
halted machine heads) .  
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Chapter 6 Operation of Machine  
1. Turn off the MENDING lamp No. 3 at the  
standby position A.  
No.1 Stitch  
No.2 Stitch  
No.3 Stitch  
(The position A should be the mending end  
position.)  
2. Press the jog switch or  
backward.  
to move it  
Turn off the MENDING lamp No. 2 at the  
position B.  
(The position B does not become the end  
position; the position A remains the end  
position.)  
Stand by  
position A  
No.3  
Mending LED is off.  
Note) When the MENDING switch of the machine  
head whose lamp is off is pressed:  
No.1 Stitch  
No.2 Stitch  
No.3 Stitch  
• The MENDING lamp of the machine head is  
lit, and mending is executed for the ma-  
chine head.  
Mending LED  
B
Note) When the MENDING switch of the machine  
head whose lamp is on is pressed:  
• The MENDING lamp of the machine head  
goes off and mending is not excuted for the  
machine head.  
Stand by  
position A  
When a thread breakage error is occurring, refer to "Setting of Mending" ( Page 100) as well in  
order to correct missing stitches caused by a thread breakage.  
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Chapter 6 Operation of Machine  
4. Jog Embroidering  
• Jog embroidering can be used for  
preventing the thread from slipping from  
the needle at the start of embroidering.  
BES-941BC  
BES-1241BC  
• Jog embroidering can be executed as long  
as the start switch at the machine head is  
held down.  
Note) Never apply a tape on the switch to keep jog  
operation for a long time. Doing so may cause  
damage to the machine.  
5. Hoop Feed Position  
• In order to ease mounting and dismounting of the embroidery hoop, another needle position  
can be set as a hoop feed position in the movable area additionally to the current needle  
position.  
• In order to ease material attachment while operation is suspended, the hoop can be moved  
to the feed position at any time by the hoop feed switch.  
• The hoop can also be moved to the feed position automatically after embroidering is finished.  
Refer to "Hoop Automatic Retract" on Page 106 for details.  
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Chapter 6 Operation of Machine  
6. Area Check  
6-1 External Tracing  
• If the check switch is pressed in other  
cases than "area over", the rectangular  
outline of the pattern is traced.  
Embroidering  
start position  
Note) The outline of pattern can be checked in rect-  
angle or octagon by setting "Checking em-  
broidery area" in "Enviromment 1".  
6-2 Automatic Hoop Movement in Area  
0.1mm  
(Example)  
0.1mm  
Embroidering area  
• If "area over" is displayed, press the check  
switch. The hoop automatically moves  
inside the embroidering area, where the  
pattern is set, at the nearest position.  
Note) After finishing the movement inside the area by this function, execute external tracing. Then, check that  
the needle and the presser foot do not interfere with the hoop before starting embroidering.  
Embroidering area  
If the pattern is not held in the embroidering area as shown below, the hoop cannot move into the area.  
Enlarge the embroidering area on the operation panel.  
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Chapter 6 Operation of Machine  
7. Jog Switches  
7-1 Hoop Movement to Start Position  
The hoop can be moved before starting embroidering and the start position can be set  
arbitrarily.  
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Chapter 6 Operation of Machine  
7-2 Inching Mode during Embroidering (Forcible Hoop Movement)  
Note) • Moving the frame greatly in the inching mode may cause an interference with the machine.  
Pay utmost care in the inching mode.  
• Although the distance of the frame moved in the inching mode is stored even after turning OFF the  
power, if the power is turned ON again and sewing is started, the pattern may be embroidered in a  
different position. Be sure to use the inching mode appropriately.  
1. Press the  
while pressing the  
STOP  
switch in order to select the inching mode.  
2. Press the jog switch and the hoop moves  
to the direction of the pressed switch.  
Note) • Note that the forcible hoop movement will  
produce deviation of embroidering by the  
amount.  
• If the hoop and material are deviated from  
each other during embroidering, correct it  
by using the jog switches.  
3. Pressing the "END" switch  
END  
resets the inching mode.  
4. Press the "START" switch  
restarts embroidering.  
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132  
Chapter 6 Operation of Machine  
8. Detection of Zero Point  
After the zero point is detected, the hoop returns to the initial point  
0
1. Press  
while pressing  
with the machine stopped.  
SPACE  
STOP  
Initial screen  
Temporary stop screen  
2. The hoop moves and the zero point is detected.  
3. The initial screen is displayed again.  
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Chapter 6 Operation of Machine  
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Chapter 7 Maintenance  
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Chapter 7 Maintenance  
CAUTION  
Turn off the power switch before starting maintenance.  
Failure to do so may start the machine unintentionally through an accidental activation of the START switch,  
resulting in bodily injuries.  
Be sure to wear protective goggles and gloves when handling the lubricating oil or grease, so that no oil or  
grease gets into your eyes or onto your skin, otherwise inflammation can result.  
Furthermore, do not drink the oil or grease under any circumstances, as they can cause vomiting and  
diarrhoea.  
Keep the oil out of the reach of children.  
• Keep the machine clean at all times to prevent machine trouble.  
• Keep the machine clean.  
Remove dirt with a soft, dry cloth. If necessary, clean with the detergent-soaked cloth, then wipe off  
the detergent with a cloth dampened with (hot) water.  
• Caution  
Never use benzene or thinner for cleaning the machine.  
1. Cleaning Rotary Hook  
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Chapter 7 Maintenance  
2. Oiling  
To extend the machine's service life, supply oil to the following places at regular intervals.  
(Note) • When oiling, be sure to supply Brother's machine oil (Nisseki Sewing Lube #10 or the equivalent) using  
the dropper.  
• Excessive oiling may cause the material to be stained.  
2-1 Head  
BES-941BC  
Supply oil to the needle bars (18 positions)  
once a day as shown on the left.  
BES-1241BC  
Supply oil to the needle bars (24 positions)  
once a day as shown on the left.  
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Chapter 7 Maintenance  
BES-941BC  
Lubricate the following part indicated by the arrow ("clearance" between the connecting rod  
and the needle thread take-up bearing) once a week.  
(Note) • In lubrication, select needle bar 9 and remove arm cover L to check the lubrication area. Be sure to wipe  
off excessive oil spilt at the lower part of the arm.  
Thread take-up bush  
Connecting rod  
Connecting  
rod  
Arm cover L  
BES-1241BC  
Lubricate the following part indicated by the arrow ("clearance" between the connecting rod  
and the needle thread take-up bearing) once a week.  
(Note) • In lubrication, select needle bar 12 and remove the head cover to check the lubrication area. Be sure to  
wipe off excessive oil spilt at the lower part of the arm.  
Thread take-up bush  
Connecting rod  
Connecting  
rod  
Head cover  
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Chapter 7 Maintenance  
3. Greasing  
To extend the machine's service life, supply grease to the following places at regular intervals.  
(Note) • When greasing, be sure to use the grease tank BR2 (black) provided with the machine.  
• For overhauling, contact your distributor or refer it to trained experts.  
3-1 Head  
Grease two places indicated by the arrow once a month.  
BES-941BC  
w
1. Remove two connectors from the rear of  
the needle bar case.  
q
2. Loosen four bolts q, and remove the  
needle case w.  
q
r
3. Loosen three screws e, and remove the  
presser foot guide plate r.  
y
4. Loosen two bolts t, and remove the arm  
cover L y.  
e
t
5. Grease all the grooves of the thread take-  
up cam uand the work clamp cam i.  
i
6. After greasing, assemble in the reverse  
order.  
(Note) • When assembling the needle bar case w,  
place it on the machine and turn the change  
pulley !behind the cover oat right. Check  
that it is engaged, and then tighten the bolts.  
u
• When attaching the presser foot guide plate  
r, move the presser foot up and down by  
the retracting lever to check that is it not  
distorted.  
w
o
!
r
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Chapter 7 Maintenance  
BES-1241BC  
1. Remove two connectors from the rear of  
the needle bar case.  
2. Loosen four screws q, and remove the  
head cover w, and loosen two screws e  
and remove the head cover Rr.  
y
(Note) Because the heads No.1 and No.2 have the  
head covers R and L respectively, remove  
both the the covers when greasing.  
t
i
r
t
3. Loosen four bolts t, and remove needle  
bar case y.  
4. Loosen three bolts u, and remove presser  
foot guide plate i.  
u
w
e
q
5. Grease all the grooves of the thread take-  
up cam oand the work clamp cam !.  
!
o
6. After greasing, assemble in the reverse  
order.  
(Note) • When assembling the needle bar case y,  
place it on the machine and turn the change  
pulley !behind the cover !at right.  
Check that it is engaged, and then tighten  
the bolts.  
y
• When attaching the presser foot guide plate  
i, move the presser foot up and down by  
the retracting lever to check that is it not  
distorted.  
!
!
i
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Chapter 7 Maintenance  
Grease the places indicated by the arrow once in six months.  
(Note) When greasing, be sure to use the grease tank BR2 (black) provided with the machine.  
BES-941BC  
w
u
1. Remove two connectors from the rear of  
the needle bar case.  
q
2. Loosen four bolts q, and remove the  
needle case w.  
i
u
r
3. Loosen three screws e, and remove the  
presser foot guide plate r.  
!
4. Loosen two screws t, and remove the arm  
cover L y.  
!
o
e
y
5. Loosen four screws u, and remove the  
head cover i.  
t
!
o
6. Loosen two bolts o, and remove the cap  
eaves guide !.  
q
7. Loosen three bolts !, and remove the  
r
wiper solenoid assembly !2.  
w
8. Remove the screws at the places indicated  
by the arrow, insert grease into the tapped  
hole using the syringe. Then tighten the  
bols.  
q
q
q
q
q
q
e
t
w
9. After greasing, assemble in the reverse  
order.  
(Note) • When assembling the needle bar case w,  
place it on the machine and turn the change  
pulley !behind the cover !at right. Check  
that it is engaged, and then tighten the bolts.  
!
• When attaching the presser foot guide plate  
r, move the presser foot up and down by  
the retracting lever to check that is it not  
distorted.  
!
r
For more information, refer to the illustra-  
tion in step 6 on page 139.  
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Chapter 7 Maintenance  
BES-1241BC  
y
1. Remove two connectors from the rear of  
the needle bar case.  
!
t
2. Loosen four screws q, and remove the  
head cover w, and loosen two screws e  
and remove the head cover Rr.  
i
r
!
(Note) Because the heads No.1 and No.4 have the  
head covers R and L respectively, remove  
both the the covers when greasing.  
u
w
q
e
3. Loosen four bolts t, and remove the  
needle case y.  
!
o
4. Loosen three screws u, and remove the  
presser foot guide plate i.  
!
5. Loosen two bolts o, and remove the cap  
eaves guide !.  
!
6. Loosen three bolts !, and remove the wiper  
solenoid assembly !.  
!
7. Remove the screws !at the places indicated  
by the arrow, insert grease into the tapped  
hole using the syringe. Then tighten the  
screws. Also grease the presser bar spring  
!
!
!
!
!
!
4
, the pressure bar guide bracket !  
5, the  
pressure bar metal U ! and D !.  
!
!
!
y
8. After greasing, assemble in the reverse  
order.  
!
(Note) • When assembling the needle bar case y,  
place it on the machine and turn the change  
pulley !behind the cover ! at right. Check  
that it is engaged, and then tighten the bolts.  
!
• When attaching the presser foot guide plate  
i, move the presser foot up and down by  
the retracting lever to check that is it not  
distorted.  
i
For more information, refer to the illustra-  
tion in step 6 on page 140.  
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142  
Chapter 7 Maintenance  
3-2 Feed Guide Section  
Check the X-feed linear guides (2 positions) and the Y-feed linear guides (one each on the right  
and left).  
(Note) When greasing, be sure to use the grease tank 30 provided with the machine.  
Procedure  
e
1. Loosen 12+2 screws q, and remove the X-  
w
feed cover w.  
2. Remove the X-feed cover e.  
q
3. Loosen eight screws r, and remove the Y-  
feed cover tfrom the right and left.  
t
r
t
4. Grease the X-feed linear guides (3  
positions), the Y-feed linear guides (one  
each on the right and left), and the linear  
guide inside the No. 3 bed. Slide the guide  
to spread grease entirely.  
5. After greasing, assemble in the reverse  
order.  
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Chapter 7 Maintenance  
3-3. Lower shaft module  
1. Remove the peripheral parts so that the top  
of the case cover of the lower shaft can be  
seen.  
notch  
5 mm  
2. Remove the tape covering the notch if the  
lower shaft's case cover is notched.  
When there is no notch, make one with a  
knife.  
35 mm  
(Note) Be careful not to make a deep notch to avoid  
cutting the harness on the rear of the lower  
shaft's case cover.  
5 mm  
3. Place the cover so that the notch is on the  
top as shown in the illustration to the left.  
4. Evenly apply the supplied grease tank 30  
(white) when the coil spring is engaged with  
the edge of the coupling hub F.  
Coil spring  
(Note) Replace the lower shaft module if the coil  
spring is not engaged with the edge j of the  
coupling hub F, but is only displaced.  
5. Apply the grease between each coil spring  
while setting up the supplied driver  
between coil springs.  
(Note) Be careful not to get any grease on the PCB  
or the encoder.  
Section to which grease is applied  
6. Turn the needle gap adjusting screw to let  
grease conform to the coil springs.  
Coupling hub F  
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Chapter 7 Maintenance  
7. Turn on the power of the sewing machine and measure the out-of-step limit of the lower shaft  
module in the test mode.  
8. Replace the lower shaft module if it cannot be repaired even if being checked in the test  
mode.  
9. Install the lower shaft's case cover and secure it with polyester tape.  
* Use heatproof tape to secure it if polyester tape is not available.  
10. Reassemble the module by reversing this procedure.  
11. Carry out the thread trimming test for checking.  
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Chapter 7 Maintenance  
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Chapter 8 Standard Adjustment  
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Chapter 8 Standard Adjustment  
CAUTION  
Turn off the power switch and pull out the plug  
If adjustment should be made while the power  
switch is turned on, pay special attention to your  
safety.  
before starting adjustment. Failure to do so may  
start the machine unintentionally through an  
accidental activation of the START switch, re-  
sulting in bodily injuries.  
Maintenance and inspection of the machine  
should be conducted only by trained engineers.  
• Adjustment  
1. Adjusting Needle Bar Height  
y
180°  
u
e
q
t
w
r
q
10.8mm  
Tighten the  
screw uso that  
the clearance  
can be even.  
y
i
t
u
Do not hit  
this section.  
i
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Chapter 8 Standard Adjustment  
1. Dismount the pulley cover and turn the pulley B quntil the pulley scale indicates 180˚ and  
the needle bar is set at the lowest position. (The pulley B " " mark and the stop mark " "  
are aligned.)  
2. Insert the positioning bar winto the hole of the pulley qand fix the drive shaft.  
Note) Turn the pulley B securely in the clockwise direction to eliminate a backlash.  
3. Loosen the needle bar clamp set screw eand the bolt uof the top dead center stopper t  
when the needle tip is positioned 10.8 mm above the center of the rotary hook shaft. Adjust  
the position of the needle bar thread guide so that the set screw ron it is turned to the right  
by 25 ~ 30˚. Tighten the needle bar clamp set screw esecurely.  
Note) When tightening the needle bar clamp set screw e, the hole in the needle bar guide should face the front.  
4. After adjustment is finished, remove the positioning bar w.  
5. Set the needle bar at the highest position (where the pulley B indication mark " " and the  
cover indication mark " " are aligned). Lightly press the top dead center stopper ttoward  
the cushion rubber y, and tighten the top dead center stopper bolt uwhile pressing down  
the needle bar clamp so that it faces the front.  
Note) • Make sure that the top dead center stopper does not hit the needle bar guide rail iat this time.  
• When tightening the upper dead point stopper bolt u, insert the longer side of the attached wrench into  
the bolt and tighten it by using the shorter side.  
Excessive tightening may make the needle bar movement sluggish.  
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Chapter 8 Standard Adjustment  
When using the bottom dead center gauge  
180  
°
q
w
q
u
i
o
t
e
y
Cutting  
section  
e
10.8mm  
r
Cutting  
section  
i
!
u
o
!
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150  
Chapter 8 Standard Adjustment  
1. Turn the pulley B quntil the scale of pulley B qindicates 180˚ (where the pulley B indication  
mark " " and the stop mark " " are aligned) and the needle bar is set at the lowest position.  
2. Insert the positioning bar winto the hole of the pulley B qand fix the drive shaft.  
Note) Turn the pulley B securely in the clockwise direction.  
3. Insert the bottom dead center gauge einto the rotary hook r.  
4. Loosen the screw yof the needle bar clamp tand the top dead center stopper bolt o, then  
move the needle bar up and down until the needle tip touches the gauge elightly.  
Note) • The needle point should touch the gauge at a place other than the cutting section.  
• The bottom dead center gauge should be set in or removed from the rotary hook with its cutting section  
facing upward.  
5. Tighten the screw yof the needle bar clamp tsecurely.  
6. After adjustment is finished, remove the positioning bar w.  
7. Set the needle bar at the highest position (where the pulley B indication mark " " and the  
cover indication mark " " are aligned). Lightly press the top dead center stopper utoward  
the cushion rubber i, and tighten the top dead center stopper bolt owhile pressing down  
the needle bar clamp so that it faces the front.  
Note) • Make sure that the top dead center stopper udoes not hit the needle bar guide rail !at this time.  
• When tightening the upper dead point stopper bolt o, insert the longer side of the attached wrench into  
the bolt and tighten it by using the shorter side.  
Excessive tightening may make the needle bar movement sluggish.  
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Chapter 8 Standard Adjustment  
2. Replacing (Attaching) Rotary Hook  
1. Turn the power switch off.  
2. Tighten the screw q of the rotary hook  
cutting section to fit to that of the lower  
shaft w.  
Lower  
shaft  
3. When mounting, press it inward until it  
stops.  
Note) After replacing rotary hooks, refer to "4. Ad-  
justment of Timing Between Needle and Ro-  
tary Hook (Page 154)" and adjust the timing.  
q
Cutting  
section  
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Chapter 8 Standard Adjustment  
3. Adjustment of Clearance Between Needle and Rotary Hook  
1. Turn the power switch off.  
2. Select the needle bar No. 1 q.  
q
i
9
8
7
6
5
4
3
2
1
The illustration at the left shows the case of BES-  
941BC. For BES-1241BC, the No. 12 needle becomes  
9.  
w
3. Remove two flat screws w and dismount  
the needle plate e.  
e
4. Turn the pulley B until the pulley indication  
mark " " and the stop mark "NH " are  
aligned.  
2mm  
2mm  
5. Turn the rotary hook r manually so that  
the rotary hook point is aligned properly.  
r
6. Loosen the set screw yon the side of the  
bed t.  
7. Turn the eccentric screw uon the left side of  
the bed t using a regular screwdriver and  
adjust a clearance between the needle and the  
rotary shaft to 0.3 ~ 0.5 mm.  
u
t
8. Adjust the clearance between the needle  
and the rotary hook's point to 0.3 ~ 0.5 mm  
at the needle bar No. 9 i(No. 12 needle for  
BES-1241BC).  
y
Note) If the clearance between the needle and the  
rotary hook point is not within the range of  
0.3 ~ 0.5 mm, adjust again as described in the  
step runtil the needle bar No. 1 or No. 9 (No.  
12 for BES-1241BC) whichever has the small-  
est clearance may not be interfered by the  
rotary hook point.  
0.3~0.5mm  
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153  
Chapter 8 Standard Adjustment  
4. Adjustment of Timing Between Needle and Rotary Hook  
1. Turn the power switch on.  
100˚  
2. Check that the machine pulley B qis at the  
stop position (at 100˚ of the scale). If not,  
turn the pulley B q until it comes to the  
stop position.  
q
3. While the machine is at the stop position  
(when the initial screen or halt screen is  
displayed), press the while holding down  
the  
. The rotary hook of each head  
STOP  
turns to a currently set alignment position  
for adjustment of the rotary hook.  
140˚  
4. Turn the pulley B q manually until the  
relationship between the needle point and  
the rotary hook's point can be easily  
checked (at around 140° of the scale).  
150  
200  
Rotary  
hook's
5. Press the STEP BACK/FWD switch to move  
the rotary hook for each head to  
adjustment.  
• STEP BACK  
For rotating the rotary hook little by little  
in the clockwise direction  
• STEP FWD  
For rotating the rotary hook little by little  
in the counterclockwise direction  
Make this adjustment for each machine  
head so that the needle and the rotary  
hook's point can fit with each other.  
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Chapter 8 Standard Adjustment  
6. After timing adjustment the is finished for  
each head, set the pulley B q to the stop  
position (at 100˚ of the scale) and press  
ESC  
. The machine enters the standby  
state.  
The adjustment of the rotary hook is  
completed and the timing is stored. The  
rotary hook returns to the stop position  
accordingly.  
5. Adjustment of Presser Foot Height  
w
q
material  
1. Turn the power switch off.  
2. Select the needle bar No. 1.  
3. Loosen the screw w of the presser foot q, and adjust the presser foot q until it comes  
above the cloth top surface when it is at the alignment position (where the pulley B indication  
mark " " and the cover indication mark " " are aligned).  
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Chapter 8 Standard Adjustment  
6. Adjustment of Thread Trimmer  
6-1 Attaching the Fixed Knife  
Attach the fixed knife q to the pin w and  
move it backward to the end of the slot,  
then mount it there.  
q
w
6-2 Checking the Movable Knife Position  
1. Turn the power switch on and wait until the  
hoop home position detection is finished.  
2. Press the stop switch in order to ensure  
maximum safety during adjustment.  
q
Adjust the movable knife position in this  
state.  
e
w
3. Loosen two bolts ethat connect the thread  
trimmer connecting rods B qand C w.  
Toward  
this side  
t
4. Tighten the two bolts e until the triangle  
part of the movable knife ris projected by  
1 mm from the fixed knife t.  
1mm  
* Precautions for tightening the two bolts e:  
r
Triangle part of  
movable knife  
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156  
Chapter 8 Standard Adjustment  
• The thread trimmer connecting rod B q  
has a backlash of about 0.1 ~ 0.2 mm back  
and forth. Tighten the two bolts ewhile  
pulling them forward by the backlash  
amount.  
q
e
w
• Tighten the two bolts eso that the thread  
trimmer connecting rods B q and C w  
are positioned in a straight line.  
Toward  
this side  
* Bad example  
5. After adjustment is finished, reset the stop  
switch.  
"Release stop SW to operate!" disappears.  
t
6. Turn the power switch off once, then on  
again. Check that the clearance between  
the movable knife rand the fixed knife t  
is 1 mm.  
7. When adjusting again, follow the step 2 and  
after.  
1mm  
r
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Chapter 8 Standard Adjustment  
7. Adjusting the Belt Tension  
The belt Tension is adjusted to the optimum tension at the time of shipment from the factory.  
However, as the belt is used,it becomes run in and may loosen around the machine pulley  
and motor pulley . Use the following procedure to check the belt tension.  
w
q
8 mm of deflection in the belt  
9.8 N (1 kgf) of pressure  
w
slot  
e
Place a gauge against the belt q, loosen the nut w, and then turn the nut eto move the slot  
to the appropriate position so that there is 8 mm of deflection in the belt qwhen 9.8 N (1 kgf)  
of pressure is applied.  
The machine operating direction is counterclockwise when seen from the machine pulley  
end.  
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Chapter 9 List of Error Messages  
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Chapter 9 List of Error Messages  
Code  
E-00  
E-01  
E-02  
E-03  
E-04  
Error Messages  
ERROR 00  
Error  
Measures  
This is not usually displayed.  
This is not usually displayed.  
No error occurs.  
Either motor of main shaft, X- or Y-axis, or lower  
shaft has locked.  
ERROR 01  
Overtravel  
Overtravel occurs during home position detect- Turn the power off and on once. If the same error occurs  
ing movement. again, the area sensor is faulty.  
or turn on the F/B switch on the head to either  
Stop SW was pressed during The stop switch is pressed during home position Press the  
home positioning  
STOP  
detecting movement.  
side to restart the home position detecting movement again.  
Turn the power off and on once. If the same error occurs  
again, the home position sensor is faulty.  
Zero positioning is out of range  
Zero detecting movement out of range  
Adjust the pulley stop position (100 degrees) above the  
E-05  
E-06  
E-07  
Needle stop position error  
Needle bar case position error  
Needle case lock  
Needle stop position error  
Needle bar case position error  
Needle bar case lock  
needle and press the  
head to either side.  
or turn on the F/B switch on the  
STOP  
This is not usually displayed.  
Press the or turn on the F/B switch on the head to either  
STOP  
side. If the same error occurs again, the color change  
mechanism is faulty.  
Stop while needle bar case Stop switch or emergency switch was pressed  
E-08  
E-09  
E-0A  
E-0B  
E-0C  
E-0D  
E-0E  
E-14  
E-15  
E-16  
E-17  
E-18  
E-1A  
E-1B  
This is not usually displayed.  
transferring  
while the needle bar case is traveling.  
Turn the power off and on once. If the same error occurs  
again, the X-axis mechanism is faulty.  
X-axis home position error  
X-axis home position detection error  
After passing through the thread, press the  
F/B switch on the head to either side.  
or turn on the  
STOP  
Thread breakage error  
ERROR 0B  
Thread breaking error  
Stop or emergency stop during sewing  
Insufficient bobbin thread  
This is not usually displayed.  
This is not usually displayed.  
This is not usually displayed.  
This is not usually displayed.  
ERROR 0C  
It is invalid because of unfinishing  
the job of searching home position  
The machine does not return to the home position.  
Mending finish  
ERROR 0E  
Turn the power off and on once. If the same error occurs  
again, the Y-axis mechanism is faulty.  
Y-axis home position error  
Stop while hoop is transferring  
ERROR 16  
Y-axis home position error  
Stop key was pressed while hoop was moving  
during non-sewing.  
Needle with specified number is out of movable  
area.  
This is not usually displayed.  
This is not usually displayed.  
ERROR 17  
Speed Vol. No. is out of range.  
X-axis stepping motor connector error  
Destination coordinates error  
X-axis stepping motor connector  
error  
Turn the power off and on once after checking to see that the  
connector of the X-axis stepping motor is properly connected.  
ERROR 1A  
ERROR 1B  
This is not usually displayed.  
This is not usually displayed.  
The machine has reached the mending stop  
position.  
Tracing is cancelled if the  
key is pressed when the ma-  
STOP  
E-1C  
E-1D  
Stop while mask tracing  
The machine stops during mask tracing.  
chine is stopped during mask tracing. Press the  
continue tracing.  
key to  
This is displayed when the stop switch is pressed while the  
Stop while transferring to next The machine stops while the needle is moving  
repeat pattern  
hoop is moving. Press the  
necessary to press the  
to move the hoop again. (It is  
again to start sewing.)  
between patterns during repeat sewing.  
Errors E-1C and E-1D are not displayed due to mechanical problems.  
This is displayed when every other head control is selected  
or when the bed is retreated (including when the power is  
turned on). Remove the presser foot of the retreating head  
and press the return key or turn the F/B switch of the head to  
either side. If every other head control is not selected or the  
bed is not retreated, the bed sensor position may be faulty.  
E-1E  
E-1F  
Remove unused presser foot, or When the power is turned on, bed can not be  
it may be damaged  
retracted.  
Readjust it. Press the  
again, adjust it with the presser foot switch.  
Press the or turn on the F/B switch on the head to ei-  
key. If the same error occurs  
STOP  
STOP  
Presser foot down error while searching for  
home position just after the power is turned on.  
Presser foot down error  
ther side. If the same error occurs again, adjust the  
presser foot switch.  
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Chapter 9 List of Error Messages  
Code  
E-21  
E-22  
E-23  
E-24  
E-25  
E-26  
E-27  
E-28  
E-29  
E-2A  
E-2B  
E-2C  
E-2D  
E-2E  
E-2F  
E-31  
E-32  
E-33  
E-34  
E-36  
E-38  
E-39  
E-3C  
Error Messages  
Area over  
Error  
Measures  
Hoop overhang(+X)  
Hoop overhang(+Y)  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Area over  
Hoop overhang(+X, +Y)  
Hoop overhang(-X)  
Hoop overhang(+X, -X)  
Hoop overhang(-X, +Y)  
Hoop overhang(+X, -X, +Y)  
Hoop overhang(-Y)  
Hoop overhang(+X, -Y)  
Hoop overhang(+Y, -Y)  
Hoop overhang(+X, +Y, -Y)  
Hoop overhang(-X, -Y)  
Hoop overhang(+Y, -Y, -X)  
Hoop overhang(+X, -X, -Y)  
Hoop overhang(+X, -X, +Y, -Y)  
Needle overhang(+X)  
Pattern or the needle position is out of the embroidering area.  
Reset the embroidering area on the panel or move the hoop to  
the sewable position.  
Needle overhang(+Y)  
Needle overhang(+X, +Y)  
Needle overhang(-X)  
Needle overhang(-X, +Y)  
Needle overhang(-Y)  
Needle overhang(+X, -Y)  
Needle overhang(-X, -Y)  
Reset the embroidering area on the panel or move the hoop to  
a sewable position.  
Thisected or when the bed is retreated (including when the power  
is turned on). Remove the presser foot of the retreating head and  
press the return key or turn on the F/B switch on the head to either  
side. If every other head control is not selected or the bed is not  
retreated, the bed sensor position may be faulty. Readjust it.  
Remove unused presser foot, or The status of presser foot is issued as an alarm  
E-40  
E-A1  
it may be damaged  
when every second machine is used.  
Press the  
or turn on the F/B switch on the head to  
STOP  
Main(Z) motor lock  
Spindle motor lock  
either side. If it occurs frequently, the main shaft  
mechanism is faulty.  
Main(Z) PCB temperature is too  
high  
E-A2  
E-A3  
E-A4  
E-A5  
E-A6  
E-A7  
Main PC board temperature too high  
Main(Z) motor voltage is too low Spindle motor voltage too low  
Main(Z) motor voltage is too  
Spindle motor voltage too high  
high  
This is not usually displayed.  
ERROR A5  
ERROR A6  
ERROR A7  
Spindle motor CPU error  
Main shaft motor CPU communication com-  
mand error  
Main shaft motor CPU send/receive error  
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Chapter 9 List of Error Messages  
Code  
E-A8  
Error Messages  
Error  
Measures  
Adjust the pulley stop position (100 degrees) above the needle  
If the error occurs frequently, the parts  
related to the main shaft stop position sensor are faulty.  
Main shaft stop position sensor  
error  
Main shaft stop position signal error  
and press the  
.
STOP  
E-B0  
E-B1  
E-B2  
Lower shaft CPU error  
Lower shaft CPU error  
This is not usually displayed.  
Thread jammed in rotary hook  
Hook motor origin point error  
Thread tangle in rotary hook  
Hook motor origin point error  
Check to see that no lint is tangled in the rotary hook and press  
the  
or turn on the F/B switch on the head to either side.  
STOP  
The rotary hook may be rotated forcefully. Press the  
or  
STOP  
turn on F/B switch on the head to either side to cancel the  
error. If the same error occurs again, the lower shaft sensor  
is improperly adjusted.  
E-B3  
Hook motor standby position error Hook motor standby position error  
Hook motor standby position error Hook motor motor mode error  
E-B4  
E-B5  
E-B6  
E-B7  
E-B8  
E-B9  
E-BA  
Hook motor communication error  
Hook motor parameter error  
Hook motor overheat error  
Hook motor communication error  
Hook motor parameter error  
This is not usually displayed.  
Hook motor overheat error  
Turn the power off and on once. If the same error occurs  
again, the lower shaft motor is faulty.  
Hook motor overcurrent error  
Turn off the power  
Hook motor overcurrent error  
Thread trimming motor zero point error  
Power supply frequency error  
Thread trimming motor origin  
point error  
Turn the power off and check the thread trimmer and turn the  
power on again. If it occurs again, the thread trimmer is faulty.  
Turn the power off and on once. If the same error occurs  
again, the power PCB or power supply is faulty.  
Power supply frequency error  
It may usually occur momentarily when turning off the ma-  
chine. If it occurs when the machine is on, it is a power failure  
detection error.  
E-BC  
No power error  
No power error  
Turn the power off and on once. If the same error occurs  
again, the main PCB is faulty.  
E-BD  
E-BE  
E-BF  
E-C1  
E-C2  
E-C3  
Lower shaft flash memory error  
Lower shaft version-up error  
ERROR BF  
Lower shaft flash memory error  
Lower shaft version-up error  
Lower shaft motor undefined error  
Area over during embroidering  
Wiper out error  
Press the  
or turn on the F/B switch on the head to either  
STOP  
side to cancel the error and upgrade the version again.  
This is not usually displayed.  
ERROR C1  
Set the embroidering area again on the panel.  
If the wiper is tangled with a thread, remove it. Press the  
or turn on the F/B switch on the head to either side.  
STOP  
Wiper out error  
ERROR C3  
Embroidering data buffer empty  
This is not usually displayed.  
Press the  
or turn on the F/B switch on the head to ei-  
STOP  
E-C4  
Presser foot down error  
Presser foot down error  
ther side. If the same error occurs again, adjust the  
presser foot switch.  
Measured voltage value could not be received  
form the lower shaft motor CPU.  
E-C5  
E-C6  
ERROR C5  
ERROR C6  
This is not usually displayed.  
This is not usually displayed.  
Voltage value could not be transferred to the  
lower shaft motor CPU.  
The machine may be being tested in the BC test mode. Exit  
the test mode or turn the power off and on once. If the same  
error occurs again, the main PCB is faulty.  
E-C7  
ERROR C7  
Lower shaft error  
Check the operation of the main shaft brake and the stop posi-  
tion of the main shaft (100 degrees).  
E-C8  
E-C9  
E-CA  
ERROR C8  
Hook motor origin point error  
Embroidering start error  
No sewing permisson  
Embroidering start error  
ERROR CA  
This is not usually displayed.  
This is not usually displayed.  
Press the  
or turn on the F/B switch on the head to either side  
STOP  
E-CB  
Spindle rotation speed error  
Spindle rotation speed error  
to cancel the error and press the  
. If the same error occurs  
again, there is a possibility that the spindle is overloaded.  
Turn the power off and on once. If the same error occurs  
again, the main PCB is faulty.  
E-CD  
E-CE  
E-CF  
ERROR CD  
Speed command can not be received.  
Cylinder bed position error  
Secure the bed. If the bed is secured, the bed sensor position  
may be faulty. Readjust it.  
Cylinder bed position error  
ERROR CF  
Rated voltage value could not be received from Turn the power off and on once. If the same error occurs  
the lower shaft motor CPU.  
again, the main PCB is faulty.  
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Chapter 9 List of Error Messages  
Code  
E-D0  
Error Messages  
Error  
Power PC board error  
Measures  
Turn the power off and on once. If the same error occurs  
again, the power PCB is faulty.  
Power PC board error  
Turn off the power and check the fan harness. Turn on the  
power again. If the same error occurs again, the fan or the  
power PCB is faulty.  
E-D1  
Cooling fan motor stop  
Cooling fan motor stop B Tum the power off.  
(1) The voltage setting is improper. -> Set it again.  
E-D2  
E-D3  
E-E1  
E-E2  
Power voltage upper limit error  
Power voltage lower limit error  
Power voltage upper limit error  
Power voltage lower limit error  
X-axis pulse motor overcurrent stop  
Y-axis pulse motor overcurrent stop  
(2) Press the  
or turn on the F/B switch on the head to  
STOP  
either side. If the same error occurs again, the power  
PCB or the power supply is faulty.  
X-axis pulse motor overcurrent  
stop Turn off the power  
Turn the power off and on once. If the same error occurs  
again, the pulse motor or the main PCB is faulty.  
Y-axis pulse motor overcurrent  
stop Turn off the power  
Turn off the power and check the fan harness. Turn on the  
power again. If the same error occurs again, the fan or the  
power PCB is faulty.  
E-E3  
Exhaust fan motor stop  
Cooling fan motor stop A Press R.  
Turn the power off and on once. If the same error occurs  
again, the main PCB is faulty.  
E-E4  
E-E5  
E-E6  
E-E7  
E-E8  
E-E9  
E-EA  
E-EB  
E-EC  
E-ED  
E-EF  
E-F1  
E-F2  
E-F3  
E-F4  
E-F5  
E-F6  
E-F7  
E-F8  
E-F9  
E-FA  
E-FB  
E-FF  
Hook motor error  
ERROR E5  
ERROR E6  
ERROR E7  
ERROR E8  
ERROR E9  
ERROR EA  
ERROR EB  
ERROR EC  
ERROR ED  
ERROR EF  
ERROR F1  
ERROR F2  
ERROR F3  
ERROR F4  
ERROR F5  
ERROR F6  
ERROR F7  
ERROR F8  
ERROR F9  
ERROR FA  
ERROR FB  
ERROR FF  
Lower shaft communication error  
Over-run error during interfacing to main PCB  
CPU  
Framing error during interfacing to main PCB  
CPU  
Parity error during interfacing to main PCB CPU  
Receiving time up error during interfacing to  
main PCB CPU  
Send/Receive inconsistent error during interfac-  
ing to main PCB CPU  
ACK code receiving error during interfacing to  
main PCB CPU  
Send/Receive ID code error during interfacing to  
main PCB CPU  
Send data checksum error during interfacing to  
main PCB CPU  
Data empty error during interfacing to main PCB  
CPU  
Receiving error on interface  
Send time up error  
This is not usually displayed.  
Request-to-waiting time up error  
Request-to-recive time up error  
Receive command error  
NACK code receiving error  
Data requested for needle position can not be  
returned.  
It is not receive command for the request one.  
PRE code error  
No applicable command  
Interface receive data sum check error  
Send time up error  
No status is returned from main shaft, lower  
shaft motor, or CPU.  
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Chapter 10 Troubleshooting  
If there is any indication of trouble with the  
machine, check and correct as described in  
the table. If the trouble cannot be corrected,  
turn off the power and contact your distribu-  
tor for corrective actions.  
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Chapter 10 Troubleshooting  
Mechanical Section  
Problem  
Check Point  
Thread breakage  
• Is the machine properly threaded?  
• Is thread tension too high?  
• Is the rotary hook assembly clogged?  
• Is there thread in the bobbin?  
• Is the needle bent?  
• Is there a rough edge or flaw on the needle plate, rotary hook, or  
bobbin case that might cut the thread?  
• Is the needle installed correctly (direction, angle, etc.)  
• Is the presser foot in contact with the material?  
• Are the thread thickness and needle size correct?  
• Is a thread with right-hand twist being used? (If such a thread is  
used, replace with a thread with left-hand twist.)  
• Is there any adhesive on the needle?  
• Is the material tension too weak?  
• Is there too much play between the outer rotary hook and inner  
rotary hook?  
• Does the outer rotary hook turn smoothly?  
• Is the clearance between the rotary hook stopper and the rotary  
hook adjusted correctly?  
• Does the thread come out from the bobbin case smoothly?  
Needle (presser foot) interference • Is the embroidery hoop too small?  
with embroidery hoop  
• Check the size and needle start position in the sewing data.  
Needle breakage  
• Is the needle attached correctly (direction, height, etc.)?  
• Is the needle bent?  
• Is the rotary hook attached correctly?  
• Is the timing set correctly?  
• Is there any backlash with the needle bar case (back/forth and  
right/left)?  
• Is the rotary hook stopper correctly attached to stop the rotary  
hook?  
• Is the needle size correct and the tip sharp?  
• Does the thread pass through the hole center of the presser  
foot?  
Not embroidered properly  
• Is the material edge caught in the machine?  
(Are embroidery hoop and other related parts operating  
correctly?)  
• Is the material stretched properly?  
• Is thread tension proper?  
Does the lower thread come out smoothly?  
Machine operation abnormal  
• Is any set screw of the rotary encoder loosened?  
• Is any set screw of the machine pulley loosened?  
• Is any set screw of the machine motor pulley loosened?  
• Is embroidery data normal?  
• Is the XY carriage belt loosened?  
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Chapter 10 Troubleshooting  
Problem  
Check Point  
Machine operation abnormal  
• Is the XY carriage belt damaged?  
• Are any set screws for the XY pulley loosened?  
• Are any set screws for the coupling of the XY pulse motor  
loosened?  
Upper shaft locks at a certain point • Is the thread take-up stopped due to interference with the upper  
in one cycle  
case cover?  
[Adjustment]  
Thread take-up  
Bolt  
Upper case cover  
Needle case  
Thread take-up  
operating lever  
Loosen the hexagon socket head cap screw of the thread take-  
up operating lever and adjust the take-up movable range.  
Tighten it securely afterwards.  
• Are the needle bar clamp and the top dead center stopper  
positioned correctly?  
Error display  
• Check the rotary hook of a machine head whose MENDING lamp  
(green) is blinking to see if the thread is caught.  
[Adjustment]  
1.Take out the thread tangled in the rotary hook race so that  
the rotary hook can be rotated forcibly by manual operation.  
2.Check that the machine pulley is set to 100˚ of the scale, and  
press the END switch.  
[Measures]  
1.If the thread end is left too long or stitching is left loosened  
before starting embroidering, the thread is caught in the  
machine and operation stops.  
2.When starting embroidering, hook the thread end on the  
spring or hold it with a hand.  
3.Leave thread of about 60 ~ 70 mm from the needle hole when  
starting embroidering.  
• Is thread tangled in the rotary hook?  
Clean the rotary hook.  
• Conduct BC sensor test of the PC test mode.  
If there is any failure, replace the lower shaft with a new one.  
(Refer to "Replacing the Lower Shaft Module".)  
Upper shaft pulley does not turn.  
Stitches cannot be made.  
• Is the presser foot lifted at a retract position when the power is  
turned on?  
Lower the presser foot for the four machine heads using the lever.  
• Is the needle attached properly?  
• Is the timing of the needle and rotary hook correct?  
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Chapter 10 Troubleshooting  
Electrical Section  
Cautions  
• Be sure to turn off the power of the machine and unplug the power cord before checking cable  
connections.  
• When you check connection of the cables as instructed in this manual, also check connection and  
continuity between connectors.  
• Carry out items described in the "Measures" section in order of appearance.  
• Some checks and replacement works can be conducted only by repair people. In such cases,  
contact your dealer.  
Symptom  
Measures  
The machine does not operate even • Is the power cord of the machine plugged in?  
if the power is turned on.  
Plug in the power cord.  
• Is the connector at the rear of the control box connected?  
Connect it after checking the connector number and the harness number.  
• Is the connector in the control box or the power supply base connected?  
Connect it after checking the types and colors of the connectors.  
• Is fuse F1 or F2 on the power PCB in the power supply base blown?  
Replace the fuse with a new one. If the fuse is blown again,  
something is faulty. Check to see if the wiring is correct. Replace the  
control box with a new one.  
The machine does not operate even • Is the stop switch turned on?  
if the power is turned on.  
Reset the stop switch.  
The message, "Release stop SW to  
operate!", is displayed on the panel.  
• The message, "Is the presser foot • Is the retract bed sensor adjusted properly?  
removed?", is displayed on the  
machine controller when the power  
is turned on.  
Adjust the retract bed sensor of the faulty head. (Refer to "Replacing  
the retract bed sensor PCB".)  
• Refer to the block diagram showing cable connection and check  
connection from the retreat bed sensor to the main PCB.  
• The red LED of head 2 or 4 does  
not light and the presser foot • Check to see if the frame type is set to every other head with the  
remains lowered.  
machine controller.  
An overtravel error occurs.  
• Is the frame within the cap frame area?  
Move the frame within the cap frame area and turn on the power.  
• Check to see if the signal of the X area sensor turns ON and OFF in  
PORT test mode.  
When the signal does not change, refer to the block diagram showing  
the cable connections and check to see if connection from the X area sensor  
to the main PCB is proper. Replace the X area sensor with a new one.  
The needle stop position error oc- • Is the pulley manually turned and out of the stop angle?  
curs. Turn the pulley, adjust the needle at the stop position, and reset  
the error.  
• Check the signal of the stop position sensor in the encoder test mode.  
Refer to the adjustment or cable connection block diagram and  
check connection from the needle position detention sensor to the main  
PCB. Replace the needle position detection sensor with a new one.  
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Chapter 10 Troubleshooting  
Symptom  
Measures  
The needle stop position error oc- • Is the main shaft brake solenoid operating?  
curs.  
If not, refer to the block diagram showing the cable connections and  
check to see if the connections from the brake solenoid to the power  
PCB and from connector P27 of the power PCB to connector P1 of the  
main PCB are proper.  
• Check the resistance value of the main shaft brake solenoid at the  
connector section of the solenoid. The normal resistance value is  
approximately 50Ω.  
If it is not normal, replace the solenoid with a new one. In this case, the  
power PCB in the control box may also be faulty. Replace it with a new  
one if it does not operate properly even after a new solenoid is installed.  
• Are there any problems with the main shaft mechanism? (i.e., The  
screw of the main shaft pulley is loose.)  
The needle bar case lock error oc- • Is the INDEX motor rotating?  
curs. If not, refer to the block diagram showing the cable connections and  
check to see if connection from the INDEX motor to the main PCB is  
proper.  
Check the resistance values of pins 1 and 2 and pins 3 and 4 at the  
connector section of the INDEX motor. The normal resistance value is  
approximately 4.4Ω.  
If it is not normal, replace the INDEX motor with a new one. Also  
replace the main PCB with a new one.  
• Manually turn the color change pulley.  
If it is abnormally heavy, adjust the color change mechanism and  
the needle cap case.  
• Start the machine after invalidating its initial setting and operate the  
head solenoid in solenoid test mode.  
If a certain head and the heads following it do not operate, refer to  
the block diagram showing the cable connections and check to see if  
connection of the head communication sign is proper.  
• Only head 1 does not operate.  
Check the communication line to head 1 and connection of the power  
harness for head 1.  
• Do the rotary switch settings of each head PCB correspond with the  
numbers of each head?  
If not, set them according to the head numbers.  
•
Start the machine after invalidating its initial setting and enter the CASE  
test mode. Do figures on the panel change when the color change pulley  
is manually turned?  
If not, check to see if connection from the needle bar position sensor  
to connector P7 of the head PCB (1) is proper.  
•
Replace the needle bar position sensor (potentiometer) with a new one.  
• Replace the head PCB 1 with a new one.  
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Chapter 10 Troubleshooting  
Symptom  
Measures  
X-axis or Y-axis home position de- • Was the XY carriage moving?  
tection error occurs. If so, refer to the block diagram showing the cable connections and  
check to see if connection from the X and Y area sensor to the main  
PCB is proper.  
• Was the XY motor rotating?  
If so, check the XY carriage mechanism.  
• If the XY motor is not rotating, refer to the cable connection block  
diagram and check to see if connection from the XY motor to the main  
PCB is proper.  
The thread breakage error frequently • Enter the CASE test mode and turn the thread breakage sensor pulley  
occurs although thread is not broken.  
corresponding to each needle bar of the head with which this error  
occurs while switching the needle bar from number 1 in ascending  
order and check to see that the red LED on the head blinks.  
If there is no problem, lower the thread breakage sensitivity value of  
the machine controller. (The standard value is 0.)  
• Check connection from the thread breakage sensor PCB to the head  
PCB if it does not blink.  
• Replace the thread breakage sensor PCB with a new one.  
The X-axis motor connector connec- • Refer to the block diagram showing the cable connections and check  
tion error occurs.  
the connection from the two X motors on the left and right to the main  
PCB.  
The main shaft motor lock error oc- • Enter the encoder signal mode and manually turn the main shaft pulley.  
curs.  
If it is abnormally heavy, the main shaft mechanism is faulty.  
• Does the main shaft motor rotate at all when the error occurs?  
If it does not rotate at all, check fuse F5 on the power supply PCB in  
the control box. Refer to the block diagram showing the cable  
connections and check to see if connection from the main shaft motor  
to the main PCB is proper. Also check connection of connectors P6  
and P4 of the main PCB and connectors P19 and P12 on the power  
PCB in the box, and connection from connector P11 of the power supply  
PCB to the 14v terminal of the power transformer.  
• Manually turn the main shaft pulley in the encoder signal test mode and  
check to see if the stop position signal and encoder signal are proper.  
If either of the signals does not change, refer to the block diagram  
showing the cable connections and check to see if connection from the  
encoder and stop position sensor to the main PCB is proper.  
ERROR A7 occurs.  
• Check the CPU ROM version for the upper shaft.  
If it is version A, replace it with the latest ROM of version B or later.  
(PROM#4 on the main PCB)  
ERROR A8 frequently occurs.  
• In the encoder signal test mode, manually turn the main shaft pulley  
and check to see that the stop position signal is correct.  
If the signal does not change, refer to the cable connection block  
diagram and check to see if connection from the stop position sensor  
to the main PCB is proper.  
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Chapter 10 Troubleshooting  
Symptom  
Measures  
Thread is frequently tangled in the • Is thread tangled in the rotary hook?  
rotary hook.  
Clean the rotary hook.  
• Conduct BC sensor test of the test mode.  
If there is any failure, replace the lower shaft module with a new  
one.  
• Conduct automatic out-of-step limit measurement of BC automatic test  
in the test mode.  
Replace the lower shaft module with a new one if there is any fault.  
• Check to see if the lower shaft fan of the head with which the error  
frequently occurs is correctly rotating.  
If the fan is at standstill, check to see if connection from the lower  
shaft fan to the BC PCB is proper. Replace the lower shaft fan with a  
new one.  
• If all the lower shaft fans are at standstill, check fuse F4 on the power  
supply PCB in the control box.  
• Is the hole next to the bed with which the error frequently occurs clogged  
with dust?  
If so, clean it.  
The lower shaft motor zero point er- • Is thread tangled in the rotary hook?  
ror occurs.  
Clean the rotary hook.  
• Is the lower shaft with which the error occurs rotating?  
If so, check to see if connection from the lower shaft sensor PCB to  
the BC PCB is proper. Adjust the lower shaft sensor. Replace the  
lower shaft sensor PCB with a new one.  
• If the lower shaft with which the error occurs is not rotating, check to  
see if connection from the lower shaft motor to the BC PCB is proper.  
Replace the lower shaft module with a new one. Replace the BC PCB  
with a new one.  
The lower shaft motor standby posi- • Is the rotary hook rotated manually?  
tion error occurs.  
This is not a fault.  
• Check to see if connection from the lower shaft sensor PCB to the BC  
PCB is proper. Replace the lower shaft module with a new one.  
The lower shaft overheat error oc- • Check to see if the lower shaft fan is normally rotating. If the fan is at  
curs.  
standstill, check to see if connection from the lower shaft fan to the BC  
PCB is proper. Replace the lower shaft fan with a new one.  
• If all the lower shaft fans are at standstill, check fuse F4 on the power  
supply PCB in the control box.  
• Is the hole next to the bed with which the error frequently occurs clogged  
with dust?  
If so, clean it.  
• Check to see if connection from the thermister of the lower shaft module  
to the BC PCB is proper.  
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Chapter 10 Troubleshooting  
Symptom  
Measures  
Lower shaft motor overcurrent error • Is the red LED for the BC PCB off?  
If not, refer to the block diagram showing the cable connections and  
occurs.  
check to see if the connection from the BC PCB to the main PCB is  
proper.  
• Check to see if connection from the lower shaft motor to the BC PCB of  
the bed on BC PCB whose red LED is off is proper.  
Replace the harness or the lower shaft module if a short circuit  
occurs due to line insertion.  
• Measure the resistance values of pin 1 and pin 2, pin 2 and pin 3, pin 3  
and pin 4, pin 4 and pin 5, and pin 5 and pin 1 at the connector of the  
lower shaft motor with the tester and check to see if they are  
approximately 2.6Ω.  
Replace the faulty lower shaft module with a new one.  
• Replace the BC PCB with a new one.  
Thread trimming motor zero point • Is lint clogged between the travelling blades?  
error occurs.  
Remove it.  
• Is the thread trimming motor operating?  
If so, refer to the block diagram showing the cable connections and  
check to see if connection from the thread breakage sensor to the main  
PCB is proper. Also adjust the thread breakage sensor PCB. (Refer to  
"Replacing thread breakage sensor PCB.)  
• If it is not operating, refer to the block diagram showing the cable  
connections and check to see if connection from the thread trimming  
motor to the main PCB is proper.  
• Check to see if connection from connector P3 of the main PCB to  
connector P9 of the power supply PCB in the control box is proper.  
• Check fuse F6 on the power supply PCB in the control box.  
If it is blown, replace it with a new one. If it is blown again, replace  
the power supply PCB.  
Power frequency error occurs.  
• Check to see if connection from connector P16 of the main PCB to  
connector P10 of the power supply PCB in the control box is proper.  
• Refer to the block diagram showing the cable connection and check to  
see if connection from connector P26 of the power PCB in the control  
box to connector P7 of the power supply PCB in the power supply base  
is proper.  
• Check fuse F3 on the power supply PCB in the power supply base.  
If it is blown, replace it with a new one. If it is blown again, there is  
a fault somewhere in the 24v system circuit.  
Wiper out error occurs.  
• Does the wiper on the error head remain projected?  
If the wiper is tangled with a thread, remove it. If the wiper does not  
return smoothly, adjust it.  
• Enter the solenoid test mode and check the displayed value on the panel.  
If it is not S-00, check to see if connection from the wiper sensor to  
the head PCB is proper. Replace the wiper sensor with a new one.  
Replace the head PCB with a new one.  
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Chapter 10 Troubleshooting  
Symptom  
Measures  
Presser foot down error occurs.  
• Is the presser foot attached?  
If not, attach it.  
• Does it rise and drop immediately?  
If so, adjust the presser foot sensor.  
• Does the presser foot rise and make some noise for a while?  
If so, check to see if connection from the presser foot sensor to the  
head PCB is proper. Replace the presser foot sensor with a new one.  
Replace the head PCB with a new one.  
• Does the presser foot move? If it does not move at all, check to see if  
connection from the presser foot motor to the head PCB is proper.  
Replace the presser foot motor with a new one. Replace the head  
PCB with a new one.  
ERROR C7 occurs.  
• Is the lower shaft being tested in the test mode?  
If so, refer to the operation method of the test mode and exit the test  
mode or turn the power off once and on again.  
• Turn the power off once and on again. If the same error occurs again,  
replace the main PCB with a new one.  
Main shaft rotation speed error oc- • Enter the encoder signal test mode and manually turn the main shaft  
curs.  
pulley.  
If it is abnormally heavy, the main shaft mechanism is faulty.  
• Refer to the block diagram showing the cable connections and check  
to see if connection from the main shaft motor to the main PCB is  
proper. Also check the connection from connectors P6 and P4 of the  
main PCB to connectors P19 and P12 of the power supply PCB in the  
box and the connection from connector P11 of the power PCB to the  
14v terminal of the power transformer.  
Cylinder bed position error occurs.  
Power PCB error occurs.  
• The bed retract sensor is not adjusted properly. Adjust it properly.  
• Check to see if connection from connector P16 of the main PCB to  
connector P10 of the power supply PCB in the control box is proper.  
• Refer to the block diagram showing the cable connections and check  
to see if connection from connector P4 of the BC PCB to the power  
supply PCB in the control box, and connection from connector P9 of  
the main PCB to connector P3 of the power supply PCB in the control  
box are proper.  
• Replace the power supply PCB with a new one.  
• Replace the main PCB with a new one.  
Cooling fan motor stops.  
Exhaust fan motor stops.  
When all three fans in the control box  
stop  
• Refer to the block diagram showing the cable connections and check  
to see if connection from connector P5 of the power PCB in the control  
box to connector P1 of the power supply PCB in the power supply  
base, and connection from connector P4 of the power supply PCB in  
the power supply base to the 18v terminal of the power transformer are  
proper.  
• Check fuse F3 on the power supply PCB in the power supply base.  
If it is blown, replace it with a new one. If it becomes blown again,  
the 24v system circuit is faulty.  
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173  
Chapter 10 Troubleshooting  
Symptom  
Measures  
Only cooling fan motor stops.  
• Check to see if the cooling fans on the left of the main PCB and inward  
of the power supply PCB are rotating.  
If either of them is at standstill, check to see if connection from the  
cooling fan which is at standstill to P20 or P25 of the power supply  
PCB in the control box is proper. If they are connected properly, replace  
the cooling fan which is at standstill.  
• Both cooling fans are rotating.  
Check to see if connection from connector P16 of the main PCB to  
connector P10 of the power supply PCB in the control box is proper.  
Replace the main PCB with a new one.  
• Check to see if the cooling fan on the right side of the main PCB is  
rotating.  
If it is at standstill, check to see if connection from the cooling fan to  
P12 of the main PCB is proper. If they are connected properly, replace  
the faulty cooling fan.  
• The cooling fan is rotating.  
Replace the main PCB with a new one.  
Power voltage upper or lower limit • Is the voltage set on the panel?  
error occurs. If not, set it according to the power supply voltage of the area where  
the machine is used.  
• Is the tap voltage of the power transformer (terminal connection of mark tube  
T) adjusted to the power voltage of the area where the machine is used?  
If not, switch the tap connection.  
• Check the input voltage values in the power/voltage check test mode.  
Measure the power supply voltage with the tester and compare them.  
If the voltage value is significantly out of the normal range (±5v or  
more), calibrate it with the voltage calibration in the test mode.  
• When you cannot enter the test mode because this error frequently  
occurs, set the voltage to a relatively high value with the machine  
controller if it is E-D2 and to a relatively low value if it is E-D3 to avoid  
errors. Check and calibrate the voltage in the test mode.  
• Check to see if connection from connector P16 of the main PCB to  
connector P10 of the power supply PCB in the control box is proper.  
• Is the power supply abnormally low because a machine with a large  
capacity (compressor and the like) is used?  
Change the power to the other system. Use a stabilizer.  
• Replace the power PCB with a new one. Replace the main PCB with  
a new one.  
X-axis motor overcurrent stop oc- • Measure the resistance values of pin 1 and pin 2, pin 2 and pin 3, pin 3  
curs.  
and pin 4, pin 4 and pin 5, and pin 5 and pin1 at each connector section  
of two X-axis motors with the tester and check to see if they are  
approximately 2.1Ω.  
Replace the faulty motor with a new one.  
• Refer to the block diagram showing the cable connection and check to  
see if connection from the X-axis motor to the main PCB is proper.  
• Replace the main PCB with a new one.  
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Chapter 10 Troubleshooting  
Symptom  
Measures  
Y-axis motor overcurrent stop oc- • Measure the resistance values of pin 1 and pin 2, pin 2 and pin 3, pin 3  
curs.  
and pin 4, pin 4 and pin 5, and pin 5 and pin 1 at each connector  
section of the Y-axis motor with the tester and check to see if they are  
approximately 2.4Ω.  
Replace the faulty motor with a new one.  
• Refer to the block diagram showing the cable connection and check to  
see if connection from the Y-axis motor to the main PCB is proper.  
• Replace the main PCB with a new one.  
The following errors frequently occur. • Replace the main PCB with a new one.  
• Lower shaft memory error  
• ERROR E5 to ERROR FF  
Only a certain head does not oper- • Is the head out of action with either the head switch or the machine  
ate.  
controller?  
• Refer to the block diagram showing cable connections and check to  
see that other cables are connected to the head switch PCB and the  
head PCB and the head PCB properly.  
Jump solenoids and wiper solenoids • Refer to the block diagram showing cable connections and check to  
of all heads do not operate.  
see if connection from connector P4 of the power supply PCB in the  
control box to connector P6 of the power supply PCB in the power  
supply base, and connection from connector P5 of the power supply  
PCB in the power supply base to the 39 terminal of the power  
transformer are proper.  
• Check fuse F4 on the power supply PCB in the power supply base.  
If it is blown, replace it with a new one. The 50v circuit is faulty if the  
fuse is blown immediately after turning on the power even after  
replacing the fuse.  
Jump solenoid does not operate.  
• Check to see if connection from the jump solenoid to connector P10 of  
the head PCB is proper.  
• Check the resistance value of the jump solenoid which does not operate  
with the connector section. The normal resistance value is  
approximately 56Ω.  
If it is faulty, replace the solenoid with a new one. In this case, the  
head PCB may also be faulty. Also replace the head PCB with a new  
one if it does not operate properly even after replacing the solenoid.  
• Refer to the block diagram showing the cable connections and check  
to see if connection from connector P12 of the head PCB to connectors  
P7, 8, 13, 14, 15, and 16 on the power supply PCB in the control box is  
proper.  
• Replace the head PCB with a new one.  
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175  
Chapter 10 Troubleshooting  
Symptom  
Measures  
Wiper solenoid does not operate.  
• Check to see if connection from the wiper solenoid to connector P11 of  
the head PCB is proper.  
• Check the resistance value of the wiper solenoid which does not  
operate with the connector section. The normal resistance value is  
approximately 28Ω.  
If it is faulty, replace the solenoid with a new one. In this case, the  
head PCB may also be faulty. Also replace the head PCB with a new  
one if it does not operate properly even after replacing the solenoid.  
• Refer to the block diagram showing the cable connections and check  
to see if connection from connector P12 of the head PCB to connectors  
P7, 8, 13, 14, 15, and 16 on the power supply PCB in the control box is  
proper.  
• Replace the head PCB with a new one.  
The lower shaft PCB is faulty.  
1. Turn off the power of the machine.  
2. Disconnect P4 and P10 of the lower shaft PCB.  
If the lower shaft PCB is removed from the machine or P8 or P9 is  
disconnected, the lower shaft connected to other lower shaft PCB will  
not operate, either.  
3. Turn on the power of the machine.  
The E-B2 error occurs and the green LED blinks with the head  
corresponding to the faulty lower shaft. Turn off the pause switch of  
the head (flip it down) and keep flipping up the mending switch until  
the green LED stops blinking.  
4. If there is just one lower shaft PCB, reset the LEDs of the two heads  
and reset the error with the STOP key on the panel or the step back  
key of the head.  
The lower shaft module is faulty.  
1. Turn off the power of the machine.  
2. Disconnect P1, P3, and P5 (for a fixed bed) or P2, P4, and P6 (for a  
retract bed) connected to the lower shaft PCB from the faulty lower  
shaft module.  
3. Turn on the power of the machine.  
The E-B2 error occurs and the green LED blinks for the bed  
corresponding to the faulty lower shaft. Turn off the pause switch of  
the head (flip it down) and keep flipping up the mending switch until  
the green LED stops blinking.  
4. When the LED of the corresponding head stops blinking, reset the  
error with the STOP key on the panel or the step back key of the head.  
Note:  
The above operation will prohibit operation of the lower shaft connected to the faulty lower shaft PCB or the  
faulty lower shaft module and cause the corresponding heads to pause. This is reset when the power of the  
machine is turned on again. Start from the step 3 to prohibit the operation again.  
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Connection and Installation  
of Optional Equipment  
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Connection and Installation of Optional Equipment  
Attaching Bobbin Winder  
r
i
!
u
w
t
q
e
!
y
!
!
!
!
!
o
1. Mount two pieces of bobbin stand L won the thread winder stay qwith nut 4 !.  
2. Mount the thread winder assembly (set) eon the thread winder stay qwith the tightening  
screw !.  
3. Mount the thread guide rwith the drilling bolt set 6 x 20 !and nut 6 !.  
4. Mount the spool shaft B tand pan y, spool mat u, and spool cushion iwith nut 5 !and  
spring washer !.  
5. Insert the thread winder harness o in the 2P (No. 6) connectors on the rear of the control  
box.  
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Connection and Installation of Optional Equipment  
Winding lower thread  
1. Turn the power switch on.  
e
2. Set the bobbin qin the bobbin winder shaft  
w.  
3. Put the thread through the thread guide e.  
4. Wind the thread around the bobbin q  
several times in the direction of the arrow.  
e
5. Press the bobbin hold r.  
Note) If the thread cannot be wound evenly, loosen  
the screw t and move the thread guide e  
right and left for adjustment.  
t
In order to wind more threads around the bob-  
bin, loosen the thread y and move the bob-  
bin hold r.  
y
r
i
u
6. After winding is finished, pull out the  
bobbin from the bobbin winder shaft and  
trim the thread using the thread trimmer u.  
o
w
Note) • If the thread is wound too tight and comes  
off from the tension disk, loosen the knob  
i. If the thread is too loose, tighten the  
knob i.  
q
• If the circuit protector ofunctions, the bob-  
bin winder motor does not rotate. Leave it  
for a while for cooling. Then press the cir-  
cuit protector o. (The thread does not  
come out when the motor is not cooled  
enough.)  
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INSTRUCTION MANUAL  
BROTHER INDUSTRIES,LTD. NAGOYA,JAPAN  
Printed in Japan  
155-941, C41  
S93941-002  
(1)  
1999.09. H  
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