PROBLEM
The Bad Battery and %
LEDs are lit.
The Bad Battery LED
is lit.
POSSIBLE CAUSE
The battery is sulfated.
The battery voltage is still
below 10V after 2 hours
of charging.
(or)
In maintain mode, the
output current is more
than 1.5A for 12 hours.
Desulfation was
unsuccessful.
The battery voltage
drops to below 12.2V in
Maintain Mode.
• 11 •
SOLUTION
The charger is in
desulfation mode.
Continue charging for
several hours. If not
successful, have the
battery checked.
The battery may be
defective. Make sure
there are no loads on
the battery. If there are,
remove them. If there are
none, have the battery
checked or replaced.
The battery may be
defective. Have battery
checked or replaced.
The battery won't hold a
charge. May be caused
by a drain on the battery
or the battery could be
bad. Make sure there are
no loads on the battery. If
there are remove them.
If there are none, have
the battery checked or
replaced.