Troubleshooting/Error Codes - Schumacher SC1280 Owner's Manual

13. TROUBLESHOOTING/ERROR CODES

Error Codes
ERROR
CODE
The battery voltage is still
under 10V (for a 12V battery)
F01
or 5V (for a 6V battery) after 2
hours of charging.
The charger cannot desulfate
F02
the battery.
The battery was unable to
F03
reach the "full charge" voltage.
The connections to the battery
F04
are reversed.
The charger was unable to
F05
keep the battery fully charged
in maintain mode.
The charger detected that the
F06
battery may be getting too hot
(thermal runaway).
If you get an error code, check the connections and settings and/or replace the battery.
Troubleshooting
PROBLEM
Battery clamps do not
spark when touched
together.
The charger will not
turn on when properly
connected.
I cannot select a 6V or 12V
setting.
The battery is correctly
connected, but the
CHARGING LED did not light
immediately.
The battery is properly
connected, but the
CHARGING LED never lit.
DESCRIPTION
POSSIBLE CAUSE
The charger is equipped
with an auto-start feature.
It will not supply current to
the battery clamps until a
battery is properly connected.
The clamps will not spark if
touched together.
AC outlet is dead.
Poor electrical connection.
Battery is defective.
The charger is equipped
with Auto Voltage Detection,
which automatically detects
the voltage and charges the
battery.
If the START/STOP button is
not pressed, charging should
begin in ten minutes.
The battery voltage is low.
REASON/SOLUTION
The battery could be bad. Have it checked or
replaced.
The battery could not be desulfated; have it
checked or replaced.
May be caused by trying to charge a large battery
or bank of batteries on too low of a current setting.
Try again with a higher current setting or have the
battery checked or replaced.
The battery is connected backwards. Unplug the
charger and reverse the connections to the battery.
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.
The charger automatically shuts the current off
if it detects the battery may be getting too hot.
Have the battery checked or replaced.
No problem; this is a normal
condition.
Check for open fuse or circuit
breaker supplying AC outlet.
Check power cord and extension
cord for loose fitting plug.
Have battery checked.
No problem; this is normal.
No problem; this is normal.
Press the START/STOP button
to start charging.
• 9 •
SOLUTION