Common Faults And Solutions Of Submersible Sewage Pumps

Mar 17, 2025

1. Reason: The bearings of the submersible pump were damaged, causing the submersible pump to jam and the pump control cabinet to trip as soon as it was started;

Solution: At this point, new bearings should be replaced;

2. Reason: The conveyed liquid is corrosive, and ordinary cast iron sewage pumps are easily corroded. After the impeller nut is corroded and loosened, it causes the impeller to come into contact with the submersible pump body, resulting in the submersible pump not rotating;

Solution: It is recommended to use stainless steel submersible sewage pumps made of stainless steel material;

3. Reason: There is a problem with the rotor of the submersible pump motor, which makes it difficult for the submersible pump motor to rotate;

Solution:

In this case, the problem of the submersible sewage pump not turning can only be solved by replacing the new motor rotor or removing the old motor rotor and turning it on a lathe for about 30 microns.

Users can prescribe targeted solutions based on the reasons and solutions provided by the editor for the malfunction of the submersible sewage pump, and promptly identify and solve the problems to avoid causing major issues in the future.