Current insufficient detection

Hitachi Elevator Medium Elevator

Model: MCA | Code: 48

Applicable Systems
WJ200

Symptoms

Motor current insufficient detected during running

Possible Causes

  • Motor torque insufficient
  • current sensor fault
  • motor winding issue

Troubleshooting Steps

  1. Step 1: Check motor current
    Verify the fault is resolved after completing this step.
  2. Step 2: verify current sensor
    Verify the fault is resolved after completing this step.
  3. Step 3: inspect motor windings
    Verify the fault is resolved after completing this step.
  4. Step 4: check inverter output
    Verify the fault is resolved after completing this step.

How to Reset

Power cycle after current check

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

Category: Elevator