•
7
•
cause the large battery to be unable to hold a charge and become useless. Therefore, we
do not recommend charging a large battery on the maintenance setting.
NOTE:
The maintain mode technology utilized in Schumacher’s chargers allows you
to safely charge and maintain a healthy battery for extended periods of time. However,
problems with the battery, electrical problems in the vehicle, improper connections
or other unanticipated conditions could cause excessive current draws. As such,
occasionally monitoring your battery and the charging process is recommended.
Using the Engine Start feature
Your battery charger can be used to jumpstart your car if the battery is low. Follow these
instructions on how to use the ENGINE START feature.
Follow all safety instructions and precautions for charging your battery.
Wear complete eye protection and clothing protection. Charge your battery in a well-
ventilated area.
Using the ENGINE START feature WITHOUT a battery installed in
the vehicle could cause damage to the vehicle’s electrical system. NOTE: If you have
charged the battery and it still will not start your car, do not use the engine start feature,
or it could damage the vehicle’s electrical system.
With the charger plugged in and connected to the battery and chassis (see section
1.
6), press the CHARGE RATE button until the ENGINE START LED
is lit.
Crank the engine until it starts or 3 seconds pass. If the engine does not start, wait 3
2.
minutes before cranking again. This allows the charger and battery to cool down.
NOTE
: During extremely cold weather, or if the battery is under 2 volts, charge the
battery for 5 minutes before cranking the engine.
If the engine fails to start, charge the battery for 5 more minutes before attempting to
3.
crank the engine again.
After the engine starts, move the charge rate selector switch to the off position and
4.
unplug the AC power cord before disconnecting the battery clips from the vehicle.
Clean and store the charger in a dry location.
5.
NOTE
: If the engine does turn over but never starts, there is not a problem with the
starting system; there is a problem somewhere else with the vehicle. STOP cranking the
engine until the other problem has been diagnosed and corrected.
Engine Starting Notes
During the starting sequence listed above, the charger is set to one of three states:
Wait for cranking
– The charger waits until the engine is actually being cranked before
delivering the amps for engine start and will reset if the engine is not cranked within 15
minutes. (If the charger resets, it sets itself to the default start up settings). While waiting
for cranking, the digital display shows
rdy
.
Cranking
– When cranking is detected, the charger will automatically deliver up to its
maximum output as required by the starting system for up to 3 seconds or until the engine
cranking stops. The digital display shows a countdown of the remaining crank time.
Cool Down
– After cranking, the charger enters a mandatory 3 minute (180 second)
cool down state. The digital display indicates the remaining cool down time in seconds.
It starts at 180 and counts down to 0. After 3 minutes, the digital display will change from
displaying the countdown to displaying
rdy
. The CHARGING LED
will then be lit.
Using the Battery Voltage Tester
With the charger unplugged from the AC outlet, connect the charger to the battery
1.
following the instructions given in sections 6 and 7.
Plug the charger AC power cord into the AC outlet, following the instructions given in
2.
section 8.
If necessary, press the BATTERY TYPE button until the correct type is indicated.
3.
Read the voltage on the digital display. Compare the readings to the chart below.
4.
NOTE:
After 10 minutes, the charger will automatically switch from tester to charger.
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