Run command input buffer ON fault

Hitachi Elevator Medium Elevator

Model: MCA | Code: 46

Applicable Systems
WJ200

Symptoms

Running command input buffer stuck ON

Possible Causes

  • Input buffer IC fault
  • run command signal stuck
  • buffer IC failure

Troubleshooting Steps

  1. Step 1: Check input buffer IC
    Verify the fault is resolved after completing this step.
  2. Step 2: verify run command signal
    Verify the fault is resolved after completing this step.
  3. Step 3: inspect buffer circuit
    Verify the fault is resolved after completing this step.

How to Reset

Power cycle after IC check

Related Hitachi Fault Codes

Comments (0)

Share your experience to help others facing the same problem.

No comments yet. Be the first to share your experience!

Leave a Comment

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

Category: Elevator