Applicable Systems
ThyssenKrupp Control System
Symptoms
CPU board (main controller) fault detected - code 10 YY
Possible Causes
- CPU hardware failure
- firmware corruption
- watchdog timeout
- memory fault
Troubleshooting Steps
- Step 1: Check CPU board power supply
Verify the fault is resolved after completing this step. - Step 2: re-flash firmware
Verify the fault is resolved after completing this step. - Step 3: replace CPU board if faulty
Verify the fault is resolved after completing this step.
How to Reset
Power cycle; replace CPU board if persistent
Source: beijiaxin.cn; zhihu.com/p/577262471; renrendoc MC2-C manual
Category: Elevator