Schumacher XC75 Battery Charger User Manual


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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1.
section 6), press the CHARGE RATE button until the ENGINE START LED
is lit. The display mode will be automatically set to VOLTAGE.
Crank the engine until it starts or 3 seconds pass. If the engine does not 2.
start, wait 3 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 3.
attempting to crank the engine again.
After the engine starts, move the charge rate selector switch to the off 4.
position and 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. The charger delivers a
charge at the slow charge rate while waiting 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 in seconds.
Cool Down–Aftercranking,thechargerentersamandatory3minute(180
second) cool down state. During this period, no settings can be changed. The
buttons are ignored. The digital display indicates the remaining cool down
time in seconds. It starts at 180 and counts down to 0. The ENGINE START
LED blinks once every second. During the cool down period, no current
is delivered to the battery. After 3 minutes, the ENGINE START LED will
stop blinking and will light continuously, indicating that another crank cycle can
be started. The digital display will change from displaying the countdown to
displaying rdy. The CHARGING LED will then be lit.
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