Common malfunction of submersible electric pump

1. Submersible electric pump cannot start or is difficult to start

2. Submersible electric pump does not produce water or small amount of water

3. High vibration of electric pump

4. The consumption of electric pump increases

The electric pump stopped working suddenly

6. The insulation resistance of the motor decreases and the resistance value is low

7. The insulation resistance of the motor is zero, but the pump can still operate normally

8. Ammeter swing

9. Electrical components protection trip

10. Motor winding burnt out

Thrust bearing wear fast or eccentric wear

12. Guide bearing of submersible electric pump wears quickly or is inclined to wear

13. Submarine pump cable connection overheating