Applicable Systems
WJ200
Symptoms
Brake dragging detected during operation
Possible Causes
- Brake not fully releasing
- brake lining worn
- brake spring weak
- brake coil voltage low
Troubleshooting Steps
- Step 1: Check brake release
Verify the fault is resolved after completing this step. - Step 2: inspect brake lining
Verify the fault is resolved after completing this step. - Step 3: verify brake spring tension
Verify the fault is resolved after completing this step. - Step 4: measure brake coil voltage
Verify the fault is resolved after completing this step.
How to Reset
Power cycle after brake adjustment
Source: jxrunrui.cn/zhishi/1498.html; jingyan.baidu.com/article/a378c9...
Category: Elevator