Schumacher Battery Charger SSC 1000A User Guide

OWNER’S MANUAL  
Model SSC-1000A  
For 12-Volt Batteries  
Fully Automatic  
Microprocessor Controlled  
Battery Charger and  
Maintainer with  
Battery Tester  
CAUTION:  
Read all Safety Rules and Operating Instructions,  
and follow them with each use of this product.  
ELECTRIC CORPORATION  
Mount Prospect, IL 60056  
U.S.A.  
0099000363/1004  
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IMPORTANT SAFETY INSTRUCTIONS  
WARNING – RISK OF EXPLOSIVE GASES  
WORKING IN VICINITY OF A LEAD-ACID BATTERY IS DANGEROUS. BAT-  
TERIES GENERATE EXPLOSIVE GASES DURING NORMAL BATTERY  
OPERATION. FOR THIS REASON, IT IS OF UTMOST IMPORTANCE THAT  
EACH TIME BEFORE USING YOUR CHARGER, YOU READ THIS MANUAL  
AND FOLLOW THE INSTRUCTIONS EXACTLY.  
To reduce risk of battery explosion, follow these instructions and those published by  
battery manufacturer and manufacturer of any equipment you intend to use in vicinity  
of battery. Review cautionary markings on these products and on engine.  
SAVE THESE INSTRUCTIONS  
This manual contains important safety and operating instructions for battery charger  
Model SSC-1000A.  
WARNING: Handling the cord on this  
product or cords associated with  
accessories sold with this product, will  
expose you to lead, a chemical known  
to the State of California to cause  
cancer and birth defects or other  
reproductive harm. Wash hands after  
handling.  
• To reduce risk of electrical shock,  
unplug the charger from the outlet  
before attempting any maintenance or  
cleaning.  
• Always charge battery in a well-  
ventilated area.  
WARNING: Battery chargers get hot  
during operation and must have  
proper ventilation. Air needs to flow  
around entire charger. Do not set  
charger on flammable materials like  
carpeting, upholstery, paper, card-  
board, etc. Charger may damage  
leather, plastic and rubber.  
• Read all instructions and cautions  
printed on the battery charger,  
battery, and vehicle or equipment  
using battery.  
• Use charger only on lead-acid type  
rechargeable batteries, such as those  
used in cars, trucks, tractors, air-  
planes, vans, RV’s, trolling motors,  
etc. This charger is not intended to  
supply power to a low voltage  
HELP US HELP YOU ——  
Remember:  
Place charger as far away from the  
battery being charged as the charger  
cables will permit.  
electrical system other than in a  
starter-motor application.  
Never use charger for charging dry  
cell batteries that are commonly used  
with home appliances like radios,  
stereos, remote controls, etc. These  
batteries may burst and cause  
personal injury.  
Do not expose charger to rain or snow.  
Never charge a frozen battery. If battery  
fluid (electrolyte) becomes frozen, bring  
battery into a warm area to allow battery  
to thaw before you begin charging.  
Never allow battery acid to drip on  
charger when reading specific gravity or  
filling battery.  
• Do not disassemble charger. Take it  
to a qualified service professional if  
service or repair is required. Incorrect  
assembly may result in fire or  
electrical shock.  
Never set a battery on top of charger.  
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Never place charger directly above  
battery being charged. The gases from  
the battery will corrode and damage the  
charger.  
Be sure to position the charger power  
cord to prevent it from being stepped  
on, tripped over, or damaged.  
Never pull out the plug by the cord  
when unplugging the charger. Pulling on  
the cord may cause damage to the cord  
or the plug.  
Never touch the battery clamps together  
when the charger is on. You could  
cause a spark.  
Never operate charger if it has received  
a hard blow, been dropped, or otherwise  
damaged. Take it to a qualified profes-  
sional for inspection and repair.  
Do not operate the charger if it has a  
damaged power cord or plug. Have the  
cord replaced.  
PERSONAL SAFETY PRECAUTIONS  
Wear complete eye and clothing  
protection when working with lead-  
acid batteries.  
Remove all personal metal items  
from your body such as rings,  
bracelets, necklaces and watches,  
while working with a lead-acid battery.  
A battery can produce a short circuit  
current high enough to weld a ring (or  
the like) to metal, causing a severe  
burn.  
Make sure that someone is within  
range of your voice to come to your  
aid if needed while you work with or  
are near a lead-acid battery.  
Have plenty of fresh water and  
soap nearby for use in case battery  
acid contacts your eyes, skin, or  
clothing. If this happens, wash  
immediately with soap and water.  
Then get medical attention.  
Take care not to drop any metal tool  
or metal object onto the battery. This  
may result in a spark or short circuit  
across the battery or another electri-  
cal device that may cause an explo-  
sion.  
Avoid touching your eyes while  
working with a battery. Acid particles  
(corrosion) may get into your eyes. If  
this occurs, flush eyes immediately  
with running cold water for at least 10  
minutes. Then immediately get  
medical attention.  
Always operate the battery charger in  
an open, well-ventilated area.  
Never smoke or allow a spark or  
flame in the vicinity of the battery or  
engine. Batteries generate explosive  
gases.  
Never charge a frozen battery.  
Neutralize any acid spills thoroughly  
with baking soda before attempting to  
clean up.  
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BEFORE USING YOUR BATTERY CHARGER  
It is important to understand the charger’s requirements. This section explains the  
charger’s electrical requirements and how to prepare a battery for charging.  
extension cord, please make sure that  
you follow these guidelines:  
PLUGGING IT IN  
Your charger requires a 120V AC  
receptacle installed according to all local  
codes and ordinances.  
• Make sure that pins on plug of  
extension cord are the same number,  
size, and shape as those of plug on  
charger.  
• Check that the extension cord is  
properly wired and in good electrical  
condition.  
• Make sure that the wire size is large  
enough for its length and for the AC  
ampere rating, as specified in the  
chart below.  
MINIMUM RECOMMENDED EXTENSION CORD  
USING AN EXTENSION CORD  
The use of an extension cord is not  
recommended. If you must use an  
Length of Cord, in Feet  
25 50 100 150  
18 16 12 10  
AWG* Size of Cord  
*AWG=American Wire Gauge  
PREPARING YOUR BATTERY TO BE CHARGED  
It is important that you read and follow these guidelines while you are preparing to  
charge the battery.  
• Make sure that you have a 12 volt  
lead-acid battery. Determine voltage  
of battery by referring to vehicle  
owner’s manual. Charge battery  
initially at charger’s lowest rate.  
• Take time to read all of the battery  
manufacturer’s specific precautions,  
such as removing or not removing  
vent caps while charging, and  
recommended rates of charge.  
• Clean the battery terminals. Be  
careful to keep corrosion from getting  
in or around your eyes.  
• Be sure that the area around the  
battery is well ventilated while it is  
being charged. Gas can be forcefully  
blown away by using a piece of  
cardboard or other nonmetallic  
material as a fan.  
• Wear safety glasses. See additional  
“Personal Safety Precautions” on  
page 4.  
• If it is necessary to remove the battery  
from the vehicle to charge it, always  
remove the grounded terminal from  
the battery first. Turn off all vehicle  
accessories to avoid sparks from  
occurring.  
• For batteries with removable vent  
caps, if required, add distilled water to  
each cell until the battery acid  
reaches the level recommended by  
the manufacturer. This will help purge  
excessive gases from the cells. Be  
careful not to overfill. If you have a  
sealed battery with non-removable  
vent caps, no action is necessary.  
NOTE: A marine (boat) battery  
installed in a boat must be removed  
and charged on shore.  
5
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OPERATING INSTRUCTIONS  
IMPORTANT: Follow all safety instructions and precautions when charging your  
battery. Wear complete eye protection and clothing protection. Charge your battery in  
a well-ventilated area.  
CHARGING BATTERY IN THE  
VEHICLE:  
heavy, unpainted metal part of the  
chassis or engine block, away from  
the battery (see figure above). DO  
NOT connect clamp to negative  
battery post, carburetor, and fuel line  
or sheet metal part.  
1. Avoid personal injury by keeping  
clear of fan blades, belts, pulleys and  
other engine parts.  
2. Avoid damaging the charger by  
keeping the power cord and output  
cords away from the hood, door or  
moving engine parts.  
Connecting to a positive-grounded  
system: Connect the black (NEGA-  
TIVE) output clamp to the NEGA-  
TIVE post of the battery. Rock and  
twist the clamp back and forth to be  
sure a solid electrical connection is  
made. Then connect the red (POSI-  
TIVE) output clamp to a heavy,  
unpainted metal part of the chassis  
or engine block, away from the  
3. Note the polarity of the battery posts  
by checking the identification marks  
on the battery: POSITIVE (POS, P or  
+) and NEGATIVE (NEG, N or -). The  
positive post is usually larger than  
the negative post.  
4. Identify which battery post is  
grounded or connected to the  
chassis. THIS IS NORMALLY THE  
NEGATIVE POST.  
battery. DO NOT connect clamp to  
positive battery post, carburetor, and  
fuel line or sheet metal part.  
6. Plug power cord into an AC outlet.  
The charger will be set to the Tester  
Mode for REGULAR battery type.  
7. Press the appropriate control buttons  
to select the desired charge rate and  
battery type. The CHARGING  
(yellow) LED should light and the  
charging process should start. If the  
CHECK (red) LED is on, check for  
correct cable connections.  
8. To disconnect the charger, unplug its  
power cord before attempting to  
disconnect the output clamps. Then,  
standing away from the battery,  
remove the output clamp from the  
chassis or engine block. Finally,  
remove the output clamp from the  
battery post.  
NEGATIVE GROUNDED SYSTEM  
5. Connecting to a negative-  
grounded system: Connect the red  
(POSITIVE) output clamp to the  
POSITIVE post of the battery. Rock  
and twist the clamp back and forth to  
be sure a solid electrical connection  
is made. Then connect the black  
(NEGATIVE) output clamp to a  
9. Clean and store the charger in a dry  
location.  
6
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5. Plug the power cord into an AC  
outlet. The charger will be set to the  
Tester Mode for REGULAR battery  
type.  
CHARGING BATTERY REMOVED  
FROM THE VEHICLE:  
POSITIVE  
NEGATIVE  
6. Press the appropriate control buttons  
to select the desired charge rate and  
battery type. The CHARGING  
HARGER  
BAT
(yellow) LED should light and the  
charging process should start. If the  
CHECK (red) LED is on, check for  
correct cable connections.  
POWER  
CORD  
TO  
GROUNDED  
POWER  
7. To disconnect the charger, unplug its  
power cord before attempting to  
disconnect the charger clamps. Then,  
standing away from the battery,  
remove the output clamp from the  
NEGATIVE battery post. Finally,  
remove the output clamp from the  
POSITIVE battery post.  
OUTLET  
1. Note the polarity of the battery posts  
by checking the identification marks  
on the battery: POSITIVE (POS, P or  
+) and NEGATIVE (NEG, N or -). The  
positive post is usually larger than  
the negative post.  
8. Clean and store the charger in a dry  
location.  
2. Attach at least a 24-inch-long, 6-  
gauge (AWG), insulated battery  
cable to NEGATIVE (NEG, N or -)  
battery post. Rock and twist the  
clamp back and forth to be sure a  
solid electrical connection is made.  
IMPORTANT: Follow all safety instruc-  
tions and precautions when charging  
your battery. Wear complete eye  
protection and clothing protection.  
Charge your battery in a well-ventilated  
area.  
3. Connect the red (POSITIVE) output  
clamp to the POSITIVE battery post.  
Rock and twist the clamp back and  
forth to be sure a solid electrical  
connection is made.  
4. Position yourself as far away from  
the battery as possible, and then  
connect the black (NEGATIVE)  
output clamp to the free end of the  
cable.  
7
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SPEEDCHARGE CONTROL  
Display Mode  
LEDs  
Charge Rate  
LEDs  
Battery Type  
LEDs  
DIGITAL METER  
Status LEDs  
Switch Buttons  
SSC-1000A CONTROL PANEL  
DISPLAY MODE SWITCH  
Use this switch to set the function of the  
digital meter to one of the following:  
BATTERY %: The digital meter  
displays an estimate of the percent of  
charge of the battery connected to the  
charger battery clamps.  
VOLTAGE: The digital meter displays  
the voltage at the charger battery  
clamps in DC volts.  
REGULAR: This is the type of battery  
usually used in cars, trucks, and  
motorcycles. These batteries have  
vent caps and are often marked “low  
maintenance” or “maintenance-free”.  
DEEP CYCLE: Deep cycle batteries  
are usually marked as “deep cycle” or  
“marine”. Deep cycle batteries are  
usually larger than the other types.  
AGM, GEL CELL: AGM and gel cell  
batteries have sealed cases without  
vent caps. Such batteries are often  
smaller than the other types.  
CHARGE RATE SWITCH  
Use this switch button to set the charge  
rate to one of the following three.  
With the exception of AGM and gel cell  
batteries, all other battery types may or  
may not have vent caps. Vent caps are  
located on top of the battery and provide  
a means to add distilled water when  
needed. Batteries should be marked  
with their type. If charging a battery that  
is not marked, check the manual of the  
item that uses the battery. If the battery  
type is unknown, use the REGULAR  
setting. Make sure the battery complies  
with the safety instructions on page 3.  
• 2A CHARGE RATE: Intended for  
charging small batteries such as  
those commonly used in garden  
tractors, snow mobiles and motor-  
cycles. The 2A rate is not intended to  
be used as a trickle charger for larger  
batteries.  
6A or 10A CHARGE RATE: Use for  
charging automotive batteries, marine  
batteries, and deep cycle batteries.  
Not intended for industrial applica-  
tions.  
BATTERY TYPE SWITCH  
Use this switch button to set the type of  
battery to be charged to one of the  
following three.  
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CONTROL PANEL GUIDE  
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USING THE BUILT-IN BATTERY TESTER  
OVERVIEW  
TESTING AFTER CHARGING  
The charger has a built-in battery tester  
that displays either an accurate battery  
voltage or an estimate of the battery’s  
relative charge based on the battery  
voltage and a scale set by the Battery  
Council International.  
After the unit has been changed from  
tester to charger (by selecting a charge  
rate), it remains a charger as long as it  
has power. Disconnect and reconnect  
the power to change the unit back to a  
tester.  
TESTING SEQUENCE  
TESTER STATUS LED’s  
There are four basic steps required to  
use the charger as a battery tester.  
1. Connect the charger battery clamps to  
the battery. Be sure to follow all of the  
precautions listed under “OPERAT-  
ING INSTRUCTIONS”.  
2. Connect the charger power cord to a  
120 VAC outlet. Again, be sure to follow  
all of the precautions listed under “OP-  
ERATING INSTRUCTIONS”.  
3. If necessary, press the Battery Type  
button until the correct type is indi-  
cated.  
4. Read the voltage on the digital meter or  
press the display mode button to set  
the tester to “Battery %” and read the  
battery percent.  
When the charger is operating as a  
battery tester, the status LED’s light  
under the following conditions.  
• The CHARGED (green) LED will light  
if a fully charged battery is tested.  
• The CHARGING (yellow) LED does  
not light in the battery test mode.  
• The CHECK (red) LED will light if a  
battery is not properly connected.  
• When the tester display mode is set  
to voltage, none of the Status LED’s  
light (it could be testing a battery) as  
long as a voltage greater than one  
volt is detected.  
INITIAL PERCENT CALCULATION  
When a battery % is calculated for the  
first time after connecting a battery, the  
digital meter will show two dashes (“--”)  
for several seconds while the tester  
analyzes the battery.  
TESTER AND CHARGER  
When first turned on, the charger  
operates only as a tester, not as a  
charger. To continue to use it as only a  
tester, avoid pressing the CHARGE  
RATE switch button. Selecting a charge  
rate activates the battery charger and  
deactivates the tester.  
NOTES FOR TESTING BATTERY %  
A recently charged battery could have a  
temporarily high voltage due to what is  
known as “surface charge”. The voltage  
of such a battery will gradually drop  
during the period immediately after the  
charging system is disengaged.  
Consequently, the tester could display  
inconsistent values for such a battery.  
For a more accurate reading, the  
surface charge should be removed by  
temporarily creating a load on the  
battery, such as by turning on lights or  
other accessories.  
POWER-UP IDLE TIME LIMIT  
If no switch button is pressed within ten  
minutes after the unit is first powered  
up, the unit will automatically switch  
from tester to charger, if a battery is  
connected. In that case, the unit will be  
set for the 2A charge rate and REGU-  
LAR battery type.  
TESTER WITHOUT TIME LIMIT  
If either the DISPLAY MODE or BAT-  
TERY TYPE button is pressed within the  
first ten minutes after the unit is  
powered up, the unit will remain a tester  
(not a charger) indefinitely, unless a  
charge rate is selected.  
The battery % ranges from 0 to 100.  
The battery tester is only designed to  
test 12V batteries. Testing a device with  
a rapidly changing voltage could yield  
unexpected or inaccurate results.  
10  
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USING YOUR BATTERY CHARGER  
OVERVIEW  
special desulfation mode is indicated by  
blinking the CHARGING LED. If  
Using the battery charger is very simple.  
First, connect the battery and AC power  
following the precautions listed under  
“OPERATING INSTRUCTIONS”. Then  
select the appropriate BATTERY TYPE  
and CHARGE RATE for your battery.  
The charger will then do everything  
automatically. This section explains a  
few details.  
successful, normal charging will resume  
after the battery is desulfated. The  
CHARGING LED will then stop blinking  
and light continuously. Desulfation could  
take up to 10 hours. If desulfation fails,  
charging will be aborted and the CHECK  
(red) LED will blink.  
COMPLETION OF CHARGING: Charge  
completion is indicated by the  
CHARGED (green) LED; when lit, the  
charger has stopped charging and  
switched to the Maintain Mode of  
operation.  
CHARGING: If the charger does not  
detect a properly connected battery, the  
CHECK (red) LED will light continuously  
until a battery is detected. Charging will  
not begin while the CHECK light is on.  
When charging begins, the CHARGING  
LED will be lit.  
MAINTAIN MODE: When the  
CHARGED (green) LED is lit, the  
charger has started Maintain Mode. This  
mode of operation is also known as  
Float-Mode Monitoring. In this mode,  
the charger keeps the battery fully  
charged by delivering a small current,  
when necessary. The voltage is main-  
tained at a level determined by the  
BATTERY TYPE selected.  
AUTOMATIC SHUT OFF: When the 2A,  
6A, or 10A charge rate is selected, the  
charger is set to perform an automatic  
charge. When an automatic charge is  
performed, the charger stops charging  
automatically after the battery is fully  
charged.  
ABORTED CHARGE: If charging can’t  
be completed normally, charging will be  
aborted. When charging is aborted, the  
charger’s output is shut off and the red  
CHECK LED and digital meter blink on  
and off (at opposite times). In that state,  
the charger ignores all buttons. To reset  
from after an aborted charge, either  
disconnect the battery or unplug the  
charger.  
GENERAL CHARGING NOTES:  
The charger is designed to control its  
cooling fan for efficient operation.  
Consequently, it is normal for the fan to  
start and stop when maintaining a fully  
charged battery. The fan does not  
normally run in Tester Mode.  
If the charge mode is changed after  
charging has started (by pressing the  
CHARGE RATE or BATTERY TYPE  
button), the charging process will be  
restarted.  
DESULFATION MODE: If a battery is  
left discharged for an extended period, it  
could become sulfated and not accept a  
normal charge. If the charger detects a  
sulfated battery, the charger will switch  
to a special mode of operation designed  
for such batteries. Activation of the  
The voltage displayed during charging is  
the charging voltage and usually will be  
higher than the battery’s resting voltage.  
11  
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KNOW YOUR CHARGER  
Read this entire manual before using your charger. The items below are additional  
features of your charger.  
Relay: Your charger is equipped with a  
relay. This device turns the charge  
current on and off to the battery. It is  
normal to occasionally hear a clicking  
sound when the relay is turned on or off.  
Overtemperature Protection: Your  
charger is equipped with an internal  
thermocouple. This device monitors the  
temperature and allows the charger to  
turn the fan on and off as needed. If the  
temperature rises above a preset level,  
the charge current will be reduced to  
allow the charger to cool. If the tem-  
perature can not be reduced at the lower  
charge rate, the charge current will be  
turned off until the temperature is  
reduced to a normal level. The charger  
will then continue where it left off. For  
best results, do not place the charger in  
direct sunlight or enclosed spaces with  
high temperatures.  
Fan: Your charger is equipped with a  
fan. It is normal for the fan to be on  
while the charger is charging (as long as  
the voltage is above 9V). The fan is  
normally off at other times but may  
cycle on and off due to temperature or  
other conditions (See Overtemperature  
Protection). Keep the area near the  
charger clear of obstructions to allow  
the fan to operate efficiently.  
CHARGING TIPS  
Read this entire manual before using your charger. The tips below serve only as a  
guide for specific situations.  
Reviving your battery: If you only wish  
to charge your battery enough to  
operate your vehicle; you don’t need to  
wait for the entire charging process to  
be completed. When the charger  
displays a battery % of 77 or more (see  
page 14), the battery has usually been  
charged enough for the vehicle to start  
and operate normally.  
Completing an interrupted charge: If  
the charging process has been inter-  
rupted and restarted after the charger  
displays a battery % of 85 or more, the  
charger could go straight to Maintain  
Mode (see previous page). However, if  
the original charge was started using  
10A, the charge can often be completed  
using the 2A rate.  
MAINTENANCE AND CARE  
A minimal amount of care can keep your battery charger working properly for years.  
1. Clean the clamps each time you are finished charging. Wipe off any battery fluid  
that may have come in contact with the clamps to prevent corrosion.  
2. Coil the input and output cords neatly when storing the charger. This will help  
prevent accidental damage to the cords and charger.  
3. Occasional cleaning of the case of the charger with a soft cloth will keep the finish  
shiny and help prevent corrosion.  
4. Store the battery charger in a clean and dry location.  
12  
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BATTERY PERCENT AND CHARGE TIME  
This charger adjusts the charging time  
There are some important facts to keep  
in order to charge the battery com-  
pletely, efficiently and safely. The  
microprocessor automatically makes  
the necessary decisions. However, this  
section includes guidelines that can be  
used to estimate charging times.  
in mind when charging a battery.  
• When the display indicates 77%  
charged, the battery has been  
charged enough to start most vehicles  
and has already been charged as  
much as by many other battery  
chargers.  
The duration of the charging process  
depends on three factors:  
• When the display indicates 85%  
charged, the battery has already been  
charged at least as much as by most  
other battery chargers.  
1. Battery State – If a battery has only  
been slightly discharged, it can be  
charged in less than a few hours. The  
same battery could take up to 10  
hours if very weak. The battery state  
can be estimated by using the built-in  
tester (see page 10). The lower the  
reading the longer charging will take.  
• The battery % shown in tester mode  
is an estimate based on the battery  
voltage and a scale set by the Battery  
Council International. The battery %  
shown in charger mode is an estimate  
of the relative charge in the battery  
compared to the charge it should  
have if the charging process is  
2. Battery rating – A higher rated  
battery will take longer to charge than  
a lower rated battery under the same  
conditions. A battery is rated in  
ampere-hours (AH), reserve capacity  
(RC) and cold cranking amps (CCA).  
The lower the rating the faster the  
battery will be charged.  
allowed to complete.  
• The battery % shown in tester mode  
can be used to estimate the relative  
charge time. The lower the % shown,  
the longer the charge time for a given  
battery.  
3. Charge rate – The charge rate is  
measured in amps. This charger  
provides charge rates of 2A, 6A and  
10A. The 2A rate is for charging  
smaller batteries such as those used  
for motorcycles and garden tractors.  
Such batteries should not be charged  
using the 6A or 10A rates. The 6A  
and 10A rates are for charging larger  
batteries. The charger charges at the  
selected charge rate and eventually  
reduces the charge rate in a con-  
trolled manner. After the charging  
process has started, the digital  
display can be used to determine  
charging progress by selecting the  
BATTERY % mode.  
• The battery % shown in charger mode  
is an indication of the relative  
progress of the charging process. The  
higher the battery % displayed, the  
less charge time remains.  
• The more a battery is discharged, the  
faster it absorbs charge from a  
charger. That means that the battery  
% increases faster at the beginning of  
the charging process than at the end.  
In other words, it takes longer for the  
battery to absorb the last few percent  
of charge than the first several  
percent.  
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TROUBLESHOOTING  
Performance problems often can be corrected by the user. Please completely read  
this chart for possible solutions to common problems.  
PROBLEM  
POSSIBLE CAUSE  
SOLUTION  
The battery is connected and The charger is not in  
Press DISPLAY MODE  
button until Battery % or  
Voltage light comes on.  
the charger is on, but it isn't  
charging.  
charging mode.  
Indicator lights are lit in an  
erratic manner not explained  
in the “Using Your Battery  
Charger” section.  
A button may have been  
pressed when the charger  
was plugged in.  
Make sure nothing is  
touching the control panel,  
then unplug the unit and  
plug it in again.  
The charger may be  
defective.  
Return to place of purchase  
for replacement.  
All the lights are flashing.  
Charger in abort mode.  
Battery may be bad.  
See “USING YOUR  
BATTERY CHARGER.”  
The CHECK (red) light  
always flashes before the  
battery is completely  
charged.  
This will happen if the  
battery did not reach full  
charge within 24 hours. May necting the negative battery  
be due to a very large clip. Select the desired  
battery or a bank of batteries charge rate and battery type  
Reset the charger by un-  
plugging it or briefly discon-  
requiring more power than  
the charger can deliver in  
24 hours. Battery may also  
be faulty.  
again, if necessary.  
The green CHARGED light  
turns on a few minutes after  
connecting to the battery.  
The battery may be fully  
If the battery is in a vehicle,  
charged or recently charged, turn the headlights on for a  
leaving the battery voltage few minutes to reduce the  
high enough to appear to be battery voltage and try  
fully charged.  
charging again. Also try a  
lower CHARGE RATE  
selection.  
The charger is making an  
audible clicking sound.  
The charger has a relay that No problem, this is a normal  
turns the current on and off  
to the battery.  
condition.  
The fan turns on and off  
unexpectedly.  
The fan is turned on and  
off as determined by the  
software and temperature.  
No problem, this is a normal  
condition.  
The measured current is  
much lower than what  
was selected.  
The charger reached the  
maximum voltage and is  
reducing the current.  
No problem, this is a normal  
condition.  
The charger detected an  
over-temperature condition  
Make sure the charger does  
not have the side ventilation  
and has reduced the current holes blocked. Move charger  
to allow the unit to cool.  
out of the sun and into the  
shade.  
The charger was unplugged  
from the wall but the display  
is still on.  
The battery is supplying the Disconnect the battery or  
power to the display.  
press CHARGE RATE or  
BATTERY TYPE switch.  
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NOTES  
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LIMITED WARRANTY  
SCHUMACHER ELECTRIC CORPORATION,  
801 BUSINESS CENTER DRIVE,  
MOUNT PROSPECT, ILLINOIS 60056-2179  
MAKES THIS LIMITED WARRANTY TO THE ORIGINAL PURCHASER AT RETAIL  
OF THIS PRODUCT. THIS LIMITED WARRANTY IS NOT TRANSFERABLE.  
Schumacher Electric Corporation warrants this battery charger for five years from  
date of purchase at retail against defective material or workmanship. If such should  
occur, the unit will be repaired or replaced at the option of the manufacturer. It is the  
obligation of the purchaser to forward the unit together with the original sales receipt,  
transportation and/or mailing charges prepaid to the manufacturer or its authorized  
representative.  
This limited warranty is void if the product is misused, subjected to careless handling,  
or repaired by anyone other than the manufacturer or its authorized representative.  
The manufacturer makes no warranty other than this limited warranty and expressly  
excludes any implied warranty including any warranty for consequential damages.  
THIS IS THE ONLY EXPRESS LIMITED WARRANTY AND THE MANUFACTURER  
NEITHER ASSUMES NOR AUTHORIZES ANYONE TO ASSUME OR MAKE ANY  
OTHER OBLIGATION TOWARDS THE PRODUCT OTHER THAN THIS EXPRESS  
LIMITED WARRANTY. THE MANUFACTURER MAKES NO WARRANTY OF  
MERCHANTABILITY OR FITNESS FOR PURPOSE OF THIS PRODUCT AND  
EXPRESSLY EXCLUDES SUCH FROM THIS LIMITED WARRANTY.  
SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDEN-  
TAL OR CONSEQUENTIAL DAMAGES OR LENGTH OF IMPLIED WARRANTY SO  
THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU.  
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO  
HAVE OTHER RIGHTS THAT VARY FROM STATE TO STATE.  
WARRANTY VALIDATION: The enclosed “Warranty Validation Card” must be  
completed and mailed within 10 days of product purchase to activate this limited  
warranty.  
16  
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