PROBLEM
The BAD BATTERY
LED is lit.
14. SPECIFICATIONS
Input Voltage ........................................ 120V AC @ 60Hz, 4A continuous/19A intermittent
Output Voltage .......................................................6V or 12V, with Auto Voltage Detection
Output Current Rating ................................. 2A/6A/12A continuous; 30A/100A intermittent
15. BEFORE RETURNING FOR REPAIRS
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.
POSSIBLE CAUSE
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.
If these solutions do not eliminate the problem,
or for more information about troubleshooting,
contact customer service for assistance:
services@schumacherelectric.com
www.batterychargers.com
or call 1-800-621-5485
Monday-Friday 7:00
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.
to 5:00
CST
am
pm
• 10 •
SOLUTION