J. 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 AC fuse with correct value.
No DC output
Charger - On LED is
off. Float and Fault
LED’s are on.
Output short circuit
Over temperature protection triggered
Severe over loading of the charger
Reverse polarity connection
Check DC connections between charger
and the battery
Check that the air intake vent at the
bottom of the charger is not blocked.
Mount the charger in a ventilated area.
Check if the battery AH capacity is within
the recommended range
Check for correct polarity, replace the
blown car blade fuse (6)
Battery does not get
full charge
All indicator LED’s
operate normally
Bad battery connection.
Battery type select switch in wrong setting
Battery capacity too large.
Ambient temperature too low.
Battery has a damaged cell or the battery
is too old.
Check for loose contacts.
Re-check battery type and change to
correct battery selection
Make sure charger rating matches battery
capacity see table
(B2)
Move the battery to a room temperature
location or use a temperature sensor
Replace the battery
Long charging time,
Float LED does not
come on even after
20 hours of charging
Absorption light
remains on all the
time
Wrong battery type selection (eg. charging
Gel battery with Calcium-Calcium OR
Wet type selection)
Total battery capacity is too high for dual
charging
Battery temperature too high
Battery is defective
A load is connected to the battery and the
charger is not in Power Supply Mode.
Check the battery label and change battery
type selection to correct setting.
Check battery capacity or charge batteries
separately
Use a temperature sensor
Replace the battery
Change charger Selector Switch (1) 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,
charger ON LED (4)
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 the Charger to Battery
Charger Mode to fully charge the battery
before returning back to the Power Supply
Mode.
Bulk light remains
on all the time when
the Charger is in
Battery Charger
Mode
Wrong battery type selection
Battery is excessively depleted and the
soft charging is triggered
Battery temperature is too high
Check the battery label and change the
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 the battery.
Use a temperature sensor
