• 8 •
13. TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
I cannot select a 6V or 12V setting.
The charger is equipped with Auto Voltage Detection,
which automatically detects the voltage and charges the
battery.
No problem; this is normal.
The green Power LED does not light when charger is
properly connected.
AC outlet is dead.
Poor electrical connection.
Check for open fuse or circuit breaker supplying AC outlet.
Check power cord and extension cord for a loose fitting plug.
The red 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.
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. REPLACEMENT PARTS
Ring connectors (quick-connect) ................................................................................ 94030008
Battery clamps (quick-connect) ............................................................................ 3899002636Z
15. BEFORE RETURNING FOR REPAIRS
For REPAIRS OR RETURNS, visit 365rma.com
Visit batterychargers.com for Replacement Parts.
16. LIMITED WARRANTY
For information on our one year limited warranty, please visit batterychargers.com or call 1-800-621-5485 to request a copy.
Go to batterychargers.com to register your product online.
Schumacher
®
is a registered trademark of Schumacher Electric Corporation.
