Applicable Systems
WJ200
Symptoms
#5 relay ON fault; inverter microcomputer stopped
Possible Causes
- #5 relay failure
- inverter microcomputer fault
- communication between main and inverter CPU lost
Troubleshooting Steps
- Step 1: Check #5 relay
Verify the fault is resolved after completing this step. - Step 2: inspect inverter microcomputer
Verify the fault is resolved after completing this step. - Step 3: verify communication lines
Verify the fault is resolved after completing this step.
How to Reset
Power cycle; replace relay/microcomputer if needed
Source: jxrunrui.cn/zhishi/1498.html; jingyan.baidu.com/article/a378c9...
Category: Elevator