INV output block circuit ON fault

Hitachi Elevator High Elevator

Model: MCA | Code: 1C

Applicable Systems
WJ200

Symptoms

Inverter output block circuit ON fault detected

Possible Causes

  • Inverter output block relay energized when should not be
  • relay control fault

Troubleshooting Steps

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