Applicable Systems
ThyssenKrupp Control System
Symptoms
General selector fault detected - code 1C NN
Possible Causes
- Selector board hardware fault
- selector sensor malfunction
Troubleshooting Steps
- Step 1: Check selector board
Verify the fault is resolved after completing this step. - Step 2: inspect selector sensors
Verify the fault is resolved after completing this step. - Step 3: verify wiring
Verify the fault is resolved after completing this step.
How to Reset
Power cycle after repair
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Source: beijiaxin.cn; zhihu.com/p/577262471; renrendoc MC2-C manual
Category: Elevator
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