Troubleshooting 7
For parts or assistance, call Flotec Customer Service at 1-800-365-6832
Symptom
Probable Cause(s)
Corrective Action(s)
Pump won’t start
or run.
Pump is not plugged in.
Make sure the pump is plugged into a proper
outlet.
Blown fuse or tripped breaker.
Detect and repair the cause of the failure. Then
replace the fuse with a fuse of proper size or reset
breaker.
Low line voltage.
Check the size of the wiring on the circuit feeding
the pump and from the main switch on the
property. If everything is OK, contact your power
company or hydro authority.
Defective motor.
Replace the pump.
Defective float switch.
Replace the float switch.
Clogged or jammed Impeller.
If the impeller won’t turn, unplug the pump,
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
stops too often.
Backflow of water from piping.
Install or replace the check valve.
Faulty float switch.
Replace the float switch.
Pump won’t shut
off.
Defective float switch.
Replace the float switch.
Restricted discharge (obstacle or
ice in the piping).
Unplug the pump, remove it from the sump, and
clean the pump and piping.
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.
Pump operates
but delivers little
or no water.
Low line voltage.
If the voltage is below 110 volts, check the size of
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.
Worn or defective parts or plugged
impeller.
Clean the impeller if it’s plugged; replace the
impeller if necessary; otherwise replace the pump.
Check valve installed without vent
hole.
Drill a 1/8” (3mm) dia. hole between the pump
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
backward or upside down.
Be sure the check valve is installed correctly (the
flow arrow should point away from the pump).
Risk of electrical shock. Unplug the pump before touching it or servicing it.
