• 7 •
PROBLEM
POSSIBLE CAUSE
SOLUTION
The charger will not turn on when properly
connected.
AC outlet is dead.
Poor electrical connection.
Battery is defective.
Check for open fuse or circuit breaker supplying AC outlet.
Check power cord and extension cord for loose fitting plug.
Have battery checked.
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 display shows “
bAD
/
bAt
/
F01
”.
The battery voltage is still below 10V (for a 12V battery)
or 5V (for a 6V battery) after 2 hours of charging.
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 display shows “
SUL
”.
The charger has detected a sulfated battery.
The charger will go into desulfation mode. If the
desulfation is not successful after 10 hours, the charger
will go into abort mode.
The display shows “
bAD
/
bAt
/
F02
”.
Desulfation was unsuccessful, after 10 hours.
The battery may be defective. Have battery checked or
replaced.
The display shows “
bAD
/
bAt
/
F05
”.
Lack of progress is detected after 12 hours in
Maintain mode.
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 REPAIRS OR RETURNS, visit 365rma.com
Visit batterychargers.com for Replacement Parts.
15. 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.