AVR1 P48V power / INV output block OFF fault

Hitachi Elevator High Elevator

Model: MCA | Code: 15

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

  1. Step 1: Check P48V power supply
    Verify the fault is resolved after completing this step.
  2. Step 2: inspect inverter output block relay
    Verify the fault is resolved after completing this step.
  3. Step 3: verify relay control circuit
    Verify the fault is resolved after completing this step.

How to Reset

Power cycle after repair

Related Hitachi Fault Codes

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Category: Elevator