Speed monitoring: zero-speed detection failure

ThyssenKrupp Elevator Medium Elevator

Model: TCM/MC2 | Code: 0D 6B

Applicable Systems
ThyssenKrupp Control System

Symptoms

Zero-speed detection failure - code 0D 6B

Possible Causes

  • Encoder not reporting zero speed when stopped
  • speed feedback noise

Troubleshooting Steps

  1. Step 1: Check encoder zero-speed signal
    Verify the fault is resolved after completing this step.
  2. Step 2: filter noise
    Verify the fault is resolved after completing this step.
  3. Step 3: verify encoder mounting
    Verify the fault is resolved after completing this step.

How to Reset

Power cycle after encoder check

Source: beijiaxin.cn; zhihu.com/p/577262471; renrendoc MC2-C manual

Category: Elevator