Control Panel; Operating Instructions - Schumacher Electric SC1402 Owner's Manual

10. CONTROL PANEL

ON/OFF SWITCH
Use this switch to select between the
Charge/Maintain rate, Boost rate and the
Engine Start mode.
OFF – When the switch is in this position
(middle), the charger is turned off.
BOOST or
When the switch is in this position, the
Rate Selection button can be set to either
the 6<>2A Charge/Maintain or the
20A Boost setting.
ENGINE START – When the switch
is in this position, the Engine Start LED
will activate and will be solid when it is
connected to a battery.
RATE SELECTION BUTTON
Use this button to select one of the following:
6<>2A CHARGE/MAINTAIN – For
charging small and large batteries. Not
recommended for industrial applications.
20A BOOST – For quickly adding
energy to a severely discharged or large
capacity battery prior to Engine Start.

11. OPERATING INSTRUCTIONS

WARNING: A spark near the battery may
cause an explosion.
WARNING: When the unit is in either the
Boost/Charge or Engine Start mode, the
clamps are energized and will spark if
touched together.
CHARGING A BATTERY
IN THE VEHICLE
1. Turn off all the vehicle's accessories.
2. Keep the hood open.
3. Clean the battery terminals.
4. Set the switch to the OFF position.
5. Lay the AC/DC cables away from any
fan blades, belts, pulleys and other
moving parts that can cause injury.
6. Connect the battery, following the
precautions listed in sections 6 and 7.
7. Connect the charger to an electrical
outlet.
8. With the charger plugged in and
connected to the battery of the vehicle,
set the ON/OFF switch to the
Boost or Charge/Maintain position.
9. Select the desired rate by pressing the
Rate Selection button.
CHARGE/MAINTAIN –
150A ENGINE START – Provides
150 amps for cranking an engine with a
weak or run-down battery. Always use in
combination with a battery.
LED INDICATORS
CLAMPS REVERSED/
BAD BATTERY (red) LED flashing:
The connections are reversed.
CLAMPS REVERSED/
BAD BATTERY (red) LED lit:
The charger has detected a problem
with the battery. See Troubleshooting
for more information.
(Yellow/orange) LED lit:
The charger is properly connected
and the battery is receiving power.
CHARGED/MAINTAINING (green)
LED lit: The battery is fully
charged and the charger is in
maintain mode.
NOTE: See Operating Instructions for a
complete description of the charger modes.
10. When disconnecting the charger,
set the switch to the OFF position,
disconnect the charger from the AC
power, remove the clamp from the
vehicle chassis, and then remove the
clamp from the battery terminal.
CHARGING A BATTERY
OUTSIDE OF THE VEHICLE
1. Place battery in a well-ventilated area.
2. Set the switch to the OFF position.
3. Clean the battery terminals.
4. Connect the battery, following the
precautions listed in sections 6 and 7.
5. Connect the charger to the electrical
outlet.
6. With the charger plugged in and
connected to the battery of the vehicle,
set the ON/OFF switch to the
Boost or Charge/Maintain position.
7. Select the desired rate by pressing the
Rate Selection button.
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.
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