Applicable Systems
WJ200
Symptoms
AVR1 P48V power supply abnormal; inverter output block circuit OFF fault
Possible Causes
- P48V power supply fault
- inverter output block relay not energizing
- relay fault
Troubleshooting Steps
- Step 1: Check P48V power supply
Verify the fault is resolved after completing this step. - Step 2: inspect inverter output block relay
Verify the fault is resolved after completing this step. - Step 3: verify relay control circuit
Verify the fault is resolved after completing this step.
How to Reset
Power cycle after repair
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Category: Elevator