No. | PROBLEM | POSSIBLE CAUSES | SOLUTION |
1 | Motor won’t start | Motor won’t start | Check the windings and correct. |
Check the windings and correct. | Reduce load. |
2 | Motor overheating or smoking | Overload. | Reduce load or replace with motor of greater horse power. |
Shorted stator or windings. | Test with ammeter and correct |
Rotor rubbing on stator. | Check the airgap between stator and rotor, check bearing wear, and repair. |
3 | Bearing overheating | Bearing overheating. | Inspect and replace if necessary. |
Over greasing or under greasing. | Adjust grease amount. |
Adjust grease amount. | Replace the parts. |
Shaft cover not assembled well. | Disassemble and reassemble. |
4 | Disassemble and reassemble. | Disassemble and reassemble. | Disassemble and reassemble. |
Damage on the insulation of windings. | Repair the insulation. |
Windings moistened. | Windings moistened. |