• 12 •
CODE
DESCRIPTION
REASON/SOLUTION
F04
The connections to the battery are
reversed or are made incorrectly.
The battery is connected backwards. Or for multiple
batteries being charged, the connections are not proper.
Unplug the charger and reverse or correct the connections
to the battery(s).
F05
The charger was unable to keep
the battery fully charged 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.
F06
The charger detected that the battery
may be getting too hot (thermal
runaway).
The charger automatically shuts the current off if it
detects the battery may be getting too hot. Have the
battery checked or replaced.
F07
The charger shut off because its
internal temperature exceeds limit.
Make sure the charger does not have the side ventilation
holes blocked. Move the charger out of the sun and into
the shade.
F08
The battery voltage dropped too low
during the maintain mode.
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.
F09
The Lithium Ion (LiFePO
4
) battery
continues to read 0 V and is therefore
unable to be charged.
The Lithium Ion (LiFePO
4
) battery could be bad. Have it
checked or replaced.
F10
The voltage on the Lithium Ion
(LiFePO
4
) battery exceeds the safe
limit.
The charger automatically shuts off if it senses that the
Lithium Ion (LiFePO
4
) battery voltage exceeds the safe limit.
The battery could be bad. Have it checked or replaced.
If you get an error code, check the connections and settings and/or replace the battery.
Troubleshooting
PROBLEM
POSSIBLE CAUSE
SOLUTION
The battery is connected and the
charger is on, but is not charging.
The charger is not in charger
mode.
Press START/STOP button for the
battery that is connected to the
charger.
The indicator lights are lit in an
erratic manner, not explained in
the Operating Instructions section.
A button may have been pressed
when the charger was plugged in.
Make sure nothing is touching the
control panel, then unplug the unit
and plug it in again.
The display shows,“BAD BAT”
and an error code.
The charger was unable to
complete the charging of the
battery and is in abort mode. See
Error Codes for more information.
Press the corresponding START/
STOP button, to turn off and reset
the charger.
The charger is making an audible
clicking sound.
The charger has a relay that turns
the current to the battery on and off.
No problem, this is a normal
condition.
The measured current is much
lower than expected.
The charger reached the
maximum voltage and is reducing
the current.
The charger detected an over-
temperature condition and has
reduced the current to allow the
unit to cool.
No problem, this is a normal
condition.
Make sure the charger does not
have the side or rear ventilation
holes blocked. Move the charger
out of the sun and into the shade.
