For assistance, call Simer Customer Service at
800-468-7867
Troubleshooting 5
Risk of electric shock. Can shock, burn or kill. Unplug pump before servicing or
cleaning pump.
Symptom
Probable Cause(s)
Corrective Action
Pump won’t start or run.
Pump is not plugged in.
Check and see if pump is plugged in to a proper
outlet.
Blown fuse.
If blown, replace with fuse of proper size.
Low line voltage.
If voltage under recommended minimum, check
size of wiring from main switch on property. If
OK, contact power company or hydro authority.
Defective motor.
Replace pump.
Defective float switch.
Replace float switch.
Impeller.
If impeller won’t turn, remove lower pump body
and locate source of binding.
Float obstructed.
Remove obstruction.
Pump starts and stops too
often.
Backflow of water from piping.
Install or replace check-valve.
Faulty float switch.
Replace float switch.
Pump won’t shut off.
Defective float switch.
Replace float switch.
Restricted discharge (obstacle or ice in
piping).
Remove pump and clean pump and piping.
Float obstructed.
Remove obstruction.
Restricted intake screen.
Remove the pump and clean the intake screen
and the impeller.
Pump operates but delivers
little or no water.
Low line voltage.
If voltage under recommended minimum, check
size of wiring from main switch on property. If
OK, contact power company or hydro authority.
Something caught in the impeller.
Remove the pump and clean out the impeller.
Worn or defective parts or plugged
impeller.
Clean impeller if plugged; otherwise replace
pump.
Check valve installed without vent hole.
Drill a 1/16” - 1/8” (1.6mm - 3.2mm) dia. hole
between pump discharge & check valve (1-2”
above where the discharge pipe screws into the
pump discharge and below the waterline).
Restricted intake screen.
Remove the pump and clean out the intake
screen.
Check valve is installed either backward
or upside down.
Be sure check valve is installed correctly.
