22
TROUBLESHOOTING FAULT CODES
FAULT CODES
Code
Condition
Possible Cause
Solution
Maybe there is
short circuit in
the battery.
Go to a
professional
Lab to test the
battery.
The battery
voltage is less
than 10 V after
10 minutes of
charging.
A load may be
connected to the
battery.
Disconnect the
load and
attempt to
charge again.
F01
The battery
voltage is still
less than 13 V
after multiple
reconditioning
attempts.
The battery is
sulphated
beyond
reconditioning.
Replace the
battery.
F02
Charge voltage
is too high.
Battery is 24 V,
not 12 V.
Confirm that
battery is 12 V.
F03
Charge current
is too high.
A load may be
connected to the
battery.
Disconnect the
load and
attempt to
charge again.
F04
The temperature
of the charger is
too high.
High ambient
temperature.
Ensure
adequate
ventilation. The
charger will
resume
charging after
cooling.
F05
The battery does
not go into
The charge
current is too
Select a higher
charge rate.
