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Common malfunction of submersible electric pump

Release Date:2019-05-15
Browse:Times


潛水電泵.jpg

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