Applicable Systems
ThyssenKrupp Control System

Symptoms

LK (floor plate) sensor fault - code 3C 00

Possible Causes

  • LK sensor malfunction
  • sensor reading inconsistent
  • sensor dirty

Troubleshooting Steps

  1. Step 1: Clean LK sensor
    Verify the fault is resolved after completing this step.
  2. Step 2: check sensor alignment
    Verify the fault is resolved after completing this step.
  3. Step 3: verify wiring
    Verify the fault is resolved after completing this step.
  4. Step 4: replace if faulty
    Verify the fault is resolved after completing this step.

How to Reset

Power cycle after sensor maintenance

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

Category: Elevator