Earthquake auto-recovery lock detection

Hitachi Elevator Medium Elevator

Model: MCA | Code: 38

Applicable Systems
WJ200

Symptoms

Earthquake auto-recovery run lock detected

Possible Causes

  • Earthquake sensor triggered
  • auto-recovery procedure locked
  • sensor fault

Troubleshooting Steps

  1. Step 1: Verify earthquake sensor status
    Verify the fault is resolved after completing this step.
  2. Step 2: check auto-recovery logic
    Verify the fault is resolved after completing this step.
  3. Step 3: inspect sensor wiring
    Verify the fault is resolved after completing this step.

How to Reset

Power cycle after sensor check

Source: jxrunrui.cn/zhishi/1498.html; jingyan.baidu.com/article/a378c9...

Category: Elevator