Centrifugal Pump Troubleshooting

  • This “TROUBLESHOOTING” information is intended to guide in the general determination of pump problems and their solutions.
  • Each manufacturer normally provides a description of warranty conditions.
  • Some pump warranties are immediately voided if the unit is disassembled.
  • Be sure to thoroughly read the owner's manual and warranty.



Little or no discharge
Loss of suction
Motor Overheats and Shuts Off (Overload)
Pump leaks at shaft
Pump vibrates and/or makes excessive noise
Pump will not deliver water or develop pressure
Pump will not prime
Pump will not start or run