Battery Charger RLD
User's Manual
6. Trouble shooting
SYMPTOM
POSSIBLE CAUSES
ACTION
Charger does not
react to battery
being connected,
and display
remains OFF.
A
1
Battery not connected properly.
Check battery connectors/harness.
2
Charger has been connected to
forklift motor connector.
Disconnect forkift motor and
connect battery.
3
Output cables reversed.
Check charger, connectors and battery
polarities. Output fuse is probably blown.
4
Bad control board connection.
Check board connectors (green).
5
Bad control board.
Replace control board.
The charger-
process aborts
itself and the
message
appear.
B
Output fuse blown.
Replace output fuse and adjust AC input
setting.
When battery is
connected,
message
appear.
C
1
AC input is absent.
Check AC input voltage on each phase.
Check AC input connections.
Check AC disconnect switch and fuses.
2
Bad contactor.
Replace contactor.
Output current
is too high
D
1
Wrong AC input settings.
Adjust AC input settings to higher voltage.
2
One or more cells are shorted.
Repair battery.
Output current
is too low
E
1
Wrong AC input settings.
Adjust AC input settings to lower voltage.
2
One AC phase is absent.
Check AC input voltage on each phase.
3
One or more diodes blown.
Replace rectifier.
4
Bad contactor.
Replace contactor.
Charger
smells hot
F
1
Bad location
.
Install the charger in proper location.
2
Ventilation slots obstructed.
Remove objects which may obstruct slots.
3
Wrong AC input settings.
Adjust AC input settings to higher voltage.
4
Bad or loose power wirings.
Check and thighten all power wirings.
5
Transformer burned.
Replace transformer.
OWM-AR-D-[]
Page 22 of 23
WARNING !
The charger can be repaired by qualified personnel only!
To avoid the risk of electrical injuries, the user is not allowed to open the cabinet.
