Troubleshooting - Schumacher Electric SS-120-A-PE Manual Del Dueño

The battery charger is designed to work automatically. However, If a problem does occur, check the following:
PROBLEM
Red LED doesn't light
(Automatic Mode)
Charger will not turn ON when
properly connected to power.
Charger will not turn OFF.
646-1299
All manuals and user guides at all-guides.com

TROUBLESHOOTING

POSSIBLE
Charger is not plugged in
Connections are reversed.
Poor electrical connection.
AC outlet is dead.
Battery voltage is less than one volt
Battery recently used in vehicle and is
fully charged
Battery has problem and will not take
full charge.
Two (or more) batteries connected in
parallel.
Battery of 200 ampere hours or larger.
Battery is connected to application that
draws a small current (such as a
vehicle's dome light).
6
SOLUTION
Plug in
With charger unplugged, reverse clamps and
reconnect (rock back and forth to bite in).
Clean clamps and battery posts and reconnect
(roll back and forth to bite in).
Plug in a lamp or other appliance to check for
voltage.
Switch to MANUAL position for a few minutes
Battery doesn't need charging
Have battery checked.
Requires more time to charge: continue
charging.
Requires more time to charge: continue
charging.
Requires more time to charge: continue
charging.