•
12
•
PROBLEM
POSSIBLE CAUSE
SOLUTION
The Bad Battery LED is lit. The battery voltage is still below 10V
(for a 12V battery) or 5V (for a 6V
battery) after 2 hours of charging.
(or)
In maintain mode, the output current
is more than 1.5A for 12 hours.
Desulfation was unsuccessful.
Lack of progress is detected and
battery voltage is below 14.2V (for
a 12V battery) or 7.1V (for a 6V
battery).
The battery’s initial voltage is below
12.2V (for a 12V battery) or 6.1V (for
a 6V battery) and the total input is less
than 1.5 Ah.
The battery voltage drops to below
12.2V (for a 12V battery) or 6.1V
(for a 6V battery) in Maintain Mode.
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. To reset the charger, unplug
from the AC outlet, wait a few moments
and plug it back in.
The battery may be defective. Have battery
checked or replaced.
The battery may be overheated. If so,
allow the battery to cool. The battery
may be too large or have a short circuit.
Have battery checked or replaced.
The battery capacity is too low, or the
battery is too old. Have it 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.
14. BEFORE RETURNING FOR REPAIRS
For information about troubleshooting, contact customer service for assistance:
[email protected] | www.batterychargers.com | or call 1-800-621-5485
For REPAIR OR RETURN, contact Customer Service at 1-800-621-5485. DO NOT SHIP UNIT until
you receive a RETURN MERCHANDISE AUTHORIZATION (RMA) number from Customer Service
at Schumacher Electric Corporation.
