Applicable Systems
ThyssenKrupp Control System
Symptoms
CAN bus entered error-active/bus-off state - code 1F 80
Possible Causes
- CAN bus error counter exceeded limit
- hardware fault on bus
- excessive bus load
Troubleshooting Steps
- Step 1: Check CAN bus for faults
Verify the fault is resolved after completing this step. - Step 2: reduce bus load
Verify the fault is resolved after completing this step. - Step 3: identify faulty node
Verify the fault is resolved after completing this step.
How to Reset
Power cycle; repair CAN bus
Source: beijiaxin.cn; zhihu.com/p/577262471; renrendoc MC2-C manual
Category: Elevator