Chapter 14 Fault CodesMH300
ID No.
Display Fault Name Description
140
GFF detected
when power is on
(Hd6)
The ground current short circuit detected when
power is on.
Action and Reset
Action condition Reset the software.
Action time Immediately act
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record Yes
Cause Corrective Actions
The length of motor cable is
long.
Use a shorter cable or install an output reactor.
Check if the motor cable is
abnormal or broken.
Check or replace the cable.
Hardware failure IGBT broken. Return to the factory for repair.
Drive’s current feedback line
error
Cycle the power. If Hd6 still occurs during operation, return to the factory
for repair.
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