Applicable Systems
ThyssenKrupp Control System
Symptoms
Safety gear (counterweight) triggered - code 0A 02
Possible Causes
- Counterweight over-speed
- safety gear mechanical trip
Troubleshooting Steps
- Step 1: Reset counterweight safety gear
Verify the fault is resolved after completing this step. - Step 2: inspect governor
Verify the fault is resolved after completing this step. - Step 3: check over-speed detection
Verify the fault is resolved after completing this step.
How to Reset
Manual reset; power cycle
Source: beijiaxin.cn; zhihu.com/p/577262471; renrendoc MC2-C manual
Category: Elevator