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Submersible Pump Troubleshooting Guide

Submersible Pump Troubleshooting Guide

Submersible grinder pumpIf you are experiencing issues with your Submersible Pump, the below guide can help you diagnose any issues, or speak to one of our Technical Sales Engineers for further assistance:

Problem

Possible Cause

Remedy

 

Motor Does not Run

No Power Supply to Control Panel

Check mains input on panel. Check cable connection.

Fuse Failure

Check and Replace fuse

Cable Broken

Change the control cables

 

 

Zero Discharge

Impeller Seized

Clean inside pump and remove blockage

Discharge Pipe blocked

Clear blockage

Pump Discharge head insufficient

Check System Design Values

Insufficient Water in Sump

Check water input to sump

 

 

Low Pump Capacity

Pump running in Reverse

Swap two phases on panel

Discharge Pipe Blocked

Clear discharge pipe

Partial clog in impeller or casing

Clean inside pump

Impeller worn

Replace Impeller

 

 

 

Thermal Trip

The stop level is set too low. Motor runs dry

Increase the level of the stop switch

Head too low

Adjust / install flow control valve to ensure pump sees back pressure   in accordance with pump value

Liquid density or viscosity high

Check pump is suited for application. Open valves

Leakage Detector Activated

Cable compromised either through wear, damage or contact with oils

Replace cable. Rewind motor if water ingress occurred


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