Motor inoperative.
Troubleshooting (cont’d)
Symptom
Cause
Cure
Fluid leakage.
Bad o-ring gasket.
Check all o-rings.
Bad shaft seal.
Return to place of purchase.
Incompatible fluid.
Refer to wetted parts list (page 10).
Loose fasteners.
Tighten fasteners.
Inadequate plumbing seals.
Reseal plumbing connections.
Pump hums but will not
operate.
Motor failure.
Return to place of purchase.
Motor overheats.
Pumping high viscosity fluids.
These fluids can only be pumped for short periods of
time (less than the 30 minute duty cycle).
Clogged screen.
Remove and clean screen.
Restricted suction pipe.
Remove and clean pipe.
Motor failure.
Return to place of purchase.
Pump rotor lock-up.
Clean and inspect rotor and vanes.
No power.
Check incoming power.
Switch failure.
Return to place of purchase.
Incorrect or loose wiring.
Check wiring / connections.
Motor inoperative.
No power.
Check incoming power.
Switch failure.
Return to place of purchase.
Motor failure.
Return to place of purchase.
Motor overheated.
Switch off and allow to cool.
Incorrect or loose wiring.
Check wiring / connections.
Fuse has blown.
Replace 30A fuse.
Bold text indicates repairs that are not serviceable by the owner; pump must be returned to the point of purchase for repairs.
Cleaning the Inlet Screen
Regular inspection and cleaning of the inlet screen on your series pump helps maintain performance and flow. Access the
screen by removing the inlet flange as described on .Clean, rinse, and dry the screen throughly before re-installing.
Inspect the screen, seals, and flange area for debris and damage. If screen or O-rings are damaged, replace with kit
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