Schumacher SC1353 Owner's Manual page 6

7. Select the desired rate and battery type.
8. When disconnecting the charger,
set the switch to the OFF position,
disconnect the charger from the AC
power, disconnect the negative clamp,
and finally the positive clamp.
9. A marine (boat) battery must be
removed and charged on shore.
BOOST MODE
NOTE: The unit will automatically switch to
Boost mode, depending on the voltage.
To select the Charge/Maintain mode,
press the Rate Selection button.
To select Boost mode, press the
Rate Selection button until yellow/
orange Boost LED lights. The
will light if battery is properly connected
and the boosting process will start. While
in Boost mode, the display will show the
voltage. If a bad battery is detected, "bad
bat" will be shown on the display.
NOTE: Boost mode will remain energized
until the Rate Selection button is
pressed or the main ON/OFF switch is set
to the OFF position.
NOTE: If voltage of battery is under 12.7V,
charger will automatically go into Boost
mode to quickly add energy to the battery.
To abort/skip the temporary Boost and
force the charger into the Maintain/Charge
mode, press the
again (while still boosting).
CHARGE/MAINTAIN MODE
To select this mode, press the
Selection button until the yellow/orange
6<>2A Charge/Maintain LED lights.
The LED will light if battery is properly
connected and the charging process will
start. The display will show the charger
voltage. To change the mode on the display,
press the Display button. When the battery
is fully charged, the green
Maintaining LED will light. If charging
cannot be completed, "bad bat" with an
error code will be shown on the display. The
battery may be bad; have it checked.
USING THE ENGINE START FEATURE
Your battery charger can be used to jump
start your car if the battery is low. Follow
all safety instructions and precautions for
charging your battery. Wear complete eye
protection and protective clothing.
WARNING: Using the ENGINE START
feature WITHOUT a battery installed
in the vehicle will damage the vehicle's
electrical system.
LED
Rate Selection button
Rate
Charged/
NOTE: During extremely cold weather, or if
the battery is under 2 volts, boost the battery
for 5 minutes before cranking the engine.
NOTE: If you have charged the battery
and it still will not start your car, do not
use the Engine Start feature, or it will
damage the vehicle's electrical system.
Have the battery checked.
1. Set the switch to the OFF position.
2. With the charger unplugged from the
AC outlet, connect the charger to
the battery following the instructions
given in the Charging a Battery in the
Vehicle section.
3. Plug the charger AC power cord into
the AC outlet.
4. With the charger plugged in and
connected to the battery of the vehicle,
set the ON/OFF switch to the
Start position. If the battery is properly
connected, the yellow/orange
Engine Start LED will light solid and the
display will show "ON". If display shows
"0.0", check the battery connections.
If the yellow/orange Engine Start LED
blinks fast, check the battery connections.
When the Engine Start output is enabled
the display will show "rdy".
5. Crank the engine until it starts or 5
seconds pass. If the engine does
not start, wait a few minutes before
cranking again. This allows the
charger and battery to cool down.
NOTE: After 3 minutes in Engine Start
mode, the charger will enter into a cool-
down period of 180 seconds, to allow the
charger and the battery to cool down.
6. If the engine fails to start, use the
40A Boost rate for 5 minutes before
attempting to crank the engine again.
7. After the engine starts, move the switch
to the OFF position and unplug the AC
power cord before disconnecting the
battery clips from the vehicle.
8. Clean and store the charger in a dry
location.
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.
• 6 •
Engine
200A