Applicable Systems
ThyssenKrupp Control System
Symptoms
Speed deviation from reference too large - code 0D 44
Possible Causes
- Encoder feedback error
- speed loop tuning issue
- load change during running
Troubleshooting Steps
- Step 1: Check encoder signal quality
Verify the fault is resolved after completing this step. - Step 2: re-tune speed loop
Verify the fault is resolved after completing this step. - Step 3: verify load compensation
Verify the fault is resolved after completing this step.
How to Reset
Power cycle after tuning
Source: beijiaxin.cn; zhihu.com/p/577262471; renrendoc MC2-C manual
Category: Elevator