Simer Pumps PLUMBER'S CLASSIC 1/2HP CAST 3997 - Manual (Page 6)

For parts or assistance, call Simer Customer Service at 1-800-468-7867 / 1-800-546-7867
Troubleshooting 6
SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION
Motor does not run Blown fuse Replace.
Tripped circuit Reset.
Disconnected plug Reinstall.
Corroded plug Clean prongs.
Inadequate water level Add water and test.
Tripped overload Allow pump to cool.
Defective switch Adjust float; replace switch.
Defective motor Replace pump.
Float in wrong position See Automatic Float Switch section.
Motor hums but Impeller jammed Unplug the pump and unclog.
flow is reduced or
Plugged check valve Unplug the pump and unclog.
no flow
Blocked screen Unplug the pump and clean screen.
Line leak Unplug the pump and repair.
Worn Impeller Unplug the pump and replace pump.
Defective motor Unplug the pump and replace pump.
The anti-airlock hole is plugged. Turn off the pump for a few seconds, clean out the anti-airlock hole
and restart the pump.
Runs continuously Plugged screen Unplug the pump and clean screen.
Defective switch Unplug the pump and replace switch.
Float obstruction See Automatic Float Switch section.
Hazardous Voltage. Can shock, burn or kill. Disconnect power to pump before servicing.