Applicable Systems
ThyssenKrupp Control System
Symptoms
Stop-start interlock timeout exceeded - code 2B 00
Possible Causes
- Main contactor not releasing within timeout
- interlock mechanism fault
- contactor welding
Troubleshooting Steps
- Step 1: Check main contactor
Verify the fault is resolved after completing this step. - Step 2: inspect interlock mechanism
Verify the fault is resolved after completing this step. - Step 3: replace welded contactor
Verify the fault is resolved after completing this step.
How to Reset
Power cycle; replace contactor if needed
Source: beijiaxin.cn; zhihu.com/p/577262471; renrendoc MC2-C manual
Category: Elevator