What are the possible problems with ABB frequency converters

Date:2021-05-27 16:29:23

What problems may ABB frequency converters have:
1. Sudden load changes or stalling
2. Close the output contactor
3. Click connection error
4. The slope time is too short, resulting in insufficient control time for the overcurrent controller
5. Speed or torque oscillation of the motor
6. Output short circuit: damaged motor cable or motor
7. Output grounding faults in grounded power grids
8. Incorrect motor and transmission selection
9. Power factor correction capacitors and surge absorbers
10. Connection of pulse encoder
11. Incorrect motor data
12. Incorrect inverter type
13. No communication between RMIO board and RINT/AINT and AGDR boards
14. Overcurrent under scalar control mode
15. Internal reasons