Speed monitoring: speed monitoring system fault

ThyssenKrupp Elevator Critical Elevator

Model: TCM/MC2 | Code: 0D 8B

Applicable Systems
ThyssenKrupp Control System

Symptoms

Speed monitoring system internal fault - code 0D 8B

Possible Causes

  • Speed monitoring module hardware failure
  • software error in speed calculation

Troubleshooting Steps

  1. Step 1: Replace speed monitoring module
    Verify the fault is resolved after completing this step.
  2. Step 2: re-flash firmware
    Verify the fault is resolved after completing this step.
  3. Step 3: check power supply
    Verify the fault is resolved after completing this step.

How to Reset

Power cycle; replace module if persistent

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

Category: Elevator