
91
MicroController Control System
Troubleshooting
PROBLEM 36
Display = “FA”, no lift truck operation.
POSSIBLE CAUSE
Welded regen contactor tips ;
Shorted wire #15 to negative ;
Logics defect.
Repair or replace contactor tips.
Repair or replace
faulty wire.
Replace the logics
of drive controller.
CHECKS
Disconnect the battery, check regen contactor for welded
tips. Check contactor for free tip movement.
Not welded
Welded
Check for a short of wire #15 to negative.
Shorts founds
Not shorts founds
Содержание B20S-3
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