- Check pump basket for debris.
- Check for air leaks on suction side.
- Check for restrictions or blockage in either suction or return lines.
- Filter needs to be cleaned or replaced.
- Pool water level too low.
- Pump is not primed correctly.
- Pump impeller vanes are blocked.
- Strainer baskets not being used and/or not being cleaned regularly.
- Pump operating under speed (low voltage) or at low speed.
