I. Trouble Shooting
PROBLEM
INDICATIONS
POSSIBLE CAUSES
SUGGESTED SOLUTION
Charger does not
work
Indicator lights not
on
No AC power
AC input socket fuse blown
Check AC connections
Replace with correct AC fuse
No DC output
Charger - On LED is
not on, Float and
Fault LEDs are on.
Output short circuit
Over temperature protection triggered
Severe over loading charger
Reverse polarity connection
Check DC connections between charger
and battery
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, replace car
blade fuse (7)
Battery does not get
full charge
All indicator LED
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
Check for loose contact
Recheck battery type and change to
correct battery selection
Make sure charger rating matches battery
capacity see table
(B2)
Move battery to a room temperature
location, or get an optional temperature
sensor
Replace battery
Long charging
time , float light
does not come on
even after 20 hours
charging time.
Absorption light
remains on all the
time
Wrong battery type
Total battery capacity is too high for dual
charging
Battery temperature too high
Battery is defective
A load is connected to battery and charger
is not in power supply mode.
Check charged battery label and change
battery type selection to correct setting.
Check battery capacity or charge battery
separately
Use temperature sensor (optional
accessory)
Replace battery
Change charger Selector Switch (2) to
Power Supply Mode.
Bulk LED is on all
the time
Bulk light remains
on all the time when
Charger is in Power
Supply Mode, LED
(2) is on red.
The connected load is too large, using
most of the current from the charger.
Reduce the load to about 50% of the
charger's rating current or take away the
load and set Charger to Battery Charger
Mode to fully charge the battery
Bulk light remains
on all the time when
Charger is in Battery
Charger mode LED
(2) is on green.
Wrong battery type selection
Battery is excessively depleted and the
soft charging is triggered
Battery temperature too high
Check 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 optional accessory temperature
sensor
