I. Trouble Shooting
PROBLEM
INDICATIONS
POSSIBLE CAUSES
SUGGESTED SOLUTION
Charger does not
work
LCD display not
turn on
No AC power
AC input socket fuse blown
Check AC connections are correct
Replace with correct AC fuse by
qualified electrician
No DC output
Output short circuit
symbol displays
Charger over
temperature
symbol displays
Overload (OCP)
symbol displays
Reverse polarity
symbol displays
Fan stuck symbol
displays
Output short circuit
Over temperature protection triggered
Severe over loading charger
Reverse polarity connection
DC fan locked by foreign object or
malfunction
Check DC connections between
charger and battery. Charger can auto
reset if remove the fault within 20
seconds.
Check air intake vent at bottom of
charger is blocked or not. Check
charger ambient ventilation.
Check battery AH capacity within
recommended range
Check for correct polarity
Check DC fan
Battery does not
get full charge
LCD displays work
normally and
sequentially
Bad battery connection
Battery type select switch in wrong
setting
Battery capacity too large
Ambient temperature too low
Battery has damaged cell or battery is
too old
Wrong set the lower power level
Check for loose contact, right cable
size, cable integrity
Recheck battery type and change to
correct battery selection
Make sure charger rating matches
battery capacity
Move battery to a room temperature
location, or get an optional
temperature sensor
Replace battery
Recheck the current selection switch
(5) to correct right setting
Long charging
time, float curve
does not come on
even after 20
hours charging
time.
Absorption curve
remains display all
the time
Charger internal fault
Return the charger to distributor to
repair
Bulk curve is
display all the time
Bulk curve
remains on all the
time
Wrong battery type selection
Battery is excessively depleted and
the soft charging is triggered
Battery temperature too high
Check charged battery label and
change battery type selection to
correct setting
Recharge the battery after a day, if
bulk light remains after several hours,
the battery is most likely damaged and
cannot accept charge. Replace
battery.
Use accessory temperature sensor
