Permanent Magnet Motor Series
Permanent Magnet Motor Common Troubleshooting Solutions
No. | Symptom | Probable Causes | Sugguested Remedy |
1 | Machine does not start | Wiring is abnormal, control wiring is incorrect, or the wire contact is not good | Check wiring |
The motor and the VFD parameters do not match | Adjust the VFP parameters or contact the manufacturer | ||
Overloaded | Reduce load | ||
Motor insulation is too low | Contact the manufacturer | ||
Others | Contact the manufacturer | ||
2 | The motor has abnormal noise or excessive vibration | Motor and rotary drum are not concentric | Find the reason and reinstall |
The motor and VFD parameters do not match | Adjust the VFD parameters or contact the manufacturer | ||
Overloaded | Reduce load | ||
Bearing is short of oil or damages | Fill lubricating oil or contact the manufacturer | ||
Others | Contact the manufacturer | ||
3 | Motor has too high temperature rise or is smoking | Overloaded | Reduce load |
The cooling system is not connected with the motor | Connect the waterway of the cooling system | ||
Poor circuit contact | Check wiring | ||
4 | Bearing is overheated | Bearing damages | Contact the manufacturer for replacement |
Over- or under-greasing, or grease has impurities | Adjust or replace |
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