headline bars
continuation tabs
notes
warnings
15
headline bars
con
tinua
tion tabs
not
es
w
ar
nings
®
MD
ERROR CODES
CODE
DESCRIPTION
REASON/SOLUTION
F01
The battery voltage is still under 10 V
(for a 12 V battery) or 5 V (for a 6 V battery)
after 2 hours of charging.
The battery could be bad. Have it checked or
replaced.
F02
The charger cannot desulfate the battery.
The battery could not be desulfated; have it
checked or replaced.
F03
The battery was unable to reach the “full
charge” voltage.
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.
F04
The connections to the battery are reversed.
The battery is connected backwards.
Unplug the charger and reverse the
connections to the battery.
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.
headline bars
continuation tabs
notes
warnings
NOTE:
If you get an error code, check the connections and settings and/or replace the battery.
