Applicable Systems
WJ200
Symptoms
Inverter overvoltage detected
Possible Causes
- DC bus voltage too high
- regenerative energy not absorbed
- brake resistor fault
- deceleration too fast
Troubleshooting Steps
- Step 1: Check DC bus voltage
Verify the fault is resolved after completing this step. - Step 2: verify brake resistor
Verify the fault is resolved after completing this step. - Step 3: adjust deceleration time
Verify the fault is resolved after completing this step. - Step 4: check input voltage
Verify the fault is resolved after completing this step.
How to Reset
Power cycle after voltage check
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Category: Elevator
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