Applicable Systems
ThyssenKrupp Control System
Symptoms
Speed monitoring: elevator moving when should be stationary - code 0D 3B
Possible Causes
- Brake not holding
- creeping detected at standstill
- encoder drift
Troubleshooting Steps
- Step 1: Check brake engagement
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 encoder zero reference
Verify the fault is resolved after completing this step.
How to Reset
Power cycle; adjust brake if needed
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Source: beijiaxin.cn; zhihu.com/p/577262471; renrendoc MC2-C manual
Category: Elevator
Published: 2026-10-17
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