Applicable Systems
ThyssenKrupp Control System
Symptoms
LK (floor plate) sensor fault - code 1B YY
Possible Causes
- LK sensor malfunction
- sensor alignment issue
- wiring fault
Troubleshooting Steps
- Step 1: Check LK sensor alignment
Verify the fault is resolved after completing this step. - Step 2: inspect wiring
Verify the fault is resolved after completing this step. - Step 3: replace sensor if faulty
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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