Chapter 14 Fault CodesMH300
ID No.
Display Fault Name Description
5
IGBT short circuit
between upper
bridge and lower
bridge (occ)
Short-
circuit is detected between upper bridge and
lower bridge of the IGBT module
Action and Reset
Action condition Hardware protection
Action time Act immediately
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Reset in 5 sec. after the fault is cleared
Record Yes
Cause Corrective Actions
IGBT fault
Check the motor wiring.
Cycle the power, if occ still occurs, return to the factory for repair.
Short-circuit detecting circuit
fault
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