Troubleshooting
IA
WARNING
I
Risk of electric shock.
Can shock, burn or kill. Unplug the pump before touching it or
servicing it.
Symptom
Probable Cause(s)
Corrective Action(s)
Pump is not plugged in.
Make sure the pump is plugged into a proper
outlet.
Blown fuse
Replace the fuse with a fuse of proper size.
Check the size of the wiring on the circuit feeding
Low line voltage.
the pump and from the main switch on the
property. If everything is OK, contact your power
company or hydro authority.
Pump won't start
Defective motor.
Replace the pump.
or run.
Defective float switch.
Replace the float switch.
If the impeller won't turn, unplug the pump,
Clogged or jammed Impeller.
remove the lower pump body, and locate the
source of the binding. Replace the impeller if•
necessary.
Obstructed float.
Move the pump in the sump or remove the
obstruction.
Pump starts and Backflow of water from piping.
Install or replace the check valve.
stops too often.
Faulty float switch.
Replace the float switch.
Defective float switch.
Replace the float switch.
Restricted discharge (obstacle or
Unplug the pump, remove it from the sump, and
Pump won't shut
ice in the piping).
clean the pump and piping.
off.
Obstructed float.
Move the pump in the sump or remove the
obstruction.
Restricted intake screen.
Unplug the pump, remove it from the sump, and
clean the intake screen and impeller.
If the voltage is below 11 O volts, check the size of
Low Ii ne voltage.
the wiring from the main switch on the property.
If OK, contact your power company or hydro
authority.
Debris caught in the impeller.
Remove the pump and clean out the impeller.
Pump operates
Worn or defective parts or plugged
Clean the impeller if it's plugged; replace the
but delivers little
impeller.
impeller if necessary; otherwise replace the pump.
or no water.
Drill a 1/8" (3mm) dia. hole between the pump
Check valve installed without vent
hole.
discharge and the check valve (1-2" above the
pump discharge and below the waterline).
Restricted intake screen.
Remove the pump and clean out the intake screen.
Check valve is installed either
Be sure the check valve is installed correctly (the
backward or upside down.
flow arrow should point away from the pump).
For parts or assistance, call Simer Customer Service at 800-468-7867
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