ROM checksum error / field adjustment area

Hitachi Elevator High Elevator

Model: MCA | Code: 97

Applicable Systems
WJ200

Symptoms

ROM checksum error in field adjustment area

Possible Causes

  • Field-adjustable parameters corrupted
  • ROM data integrity issue
  • parameter modification error

Troubleshooting Steps

  1. Step 1: Verify field parameters
    Verify the fault is resolved after completing this step.
  2. Step 2: re-program field adjustment area
    Verify the fault is resolved after completing this step.
  3. Step 3: check ROM data
    Verify the fault is resolved after completing this step.

How to Reset

Power cycle; re-program parameters

Related Hitachi Fault Codes

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Category: Elevator