FMLX/FMLY/#100RXA/#100RXB OFF fault - frequent

Hitachi Elevator High Elevator

Model: MCA | Code: 80

Applicable Systems
WJ200

Symptoms

Floor level sensors (FMLX/FMLY) and relay contacts (100RXA/100RXB) OFF fault - frequent occurrence

Possible Causes

  • Floor level sensor malfunction
  • relay contact degradation
  • sensor wiring fault
  • frequent intermittent failure

Troubleshooting Steps

  1. Step 1: Check FMLX/FMLY sensors
    Verify the fault is resolved after completing this step.
  2. Step 2: inspect 100RXA/100RXB relay contacts
    Verify the fault is resolved after completing this step.
  3. Step 3: verify wiring
    Verify the fault is resolved after completing this step.
  4. Step 4: replace if degraded
    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