THE PUMP DOES NOT RUN.
1. The line circuit breaker is off, or fuse is
blown or loose
2. Water level in the sump has not
reached turn-on level as indicated in
the installation drawing.
3. Pump cord is not making contact in the
receptacle.
4. The float is stuck.
THE PUMP RUNS BUT DOES NOT DELIVER WATER.
1. Check if the valve is installed backward.
2. Discharge shut-off valve (if used) may
be closed.
3. The impeller or volute openings are
fully or partially clogged.
4. The pump is air-locked.
5. Inlet holes in the pump base are clogged.
6. The vertical pumping distance is too high.
THE PUMP RUNS AND PUMPS OUT SUMP, BUT
1. The pump is air-locked.
DOES NOT STOP.
2. Vertical pumping distance is too high.
3. Inlet holes in the pump base are clogged.
4. The impeller or volute openings are
fully or partially clogged.
5. Pump impeller is partially clogged with
tar or paint, causing the motor to run
slow and overload.
6. Float is stuck in the ON position.
THE FUSE BLOWS OR CIRCUIT BREAKER TRIPS
1. The pump impeller is partially clogged
WHEN THE PUMP STARTS.
causing the motor to run slow and overload.
2. The fuse size or circuit breaker may be
3. The impeller or volute opening are fully
or partially clogged.
4. Pump is not on a dedicated electrical
circuit.
THE MOTOR RUNS FOR A SHORT TIME,
1. Inlet holes in the pump base are clogged.
THEN STOPS.
2. The pump impeller is partially clogged
causing the motor to run slow and overload.
3. The impeller or volute openings are
fully or partially clogged.
1. Reset the breaker or replace the fuse. If the problem
continues, contact a plumbing professional.
2. The pump will turn on when water level reaches the
appropriate depth for your switch type.
3. Replug the pump cord.
4. Ensure the float operates freely in the basin.
1. The arrow on the valve should point in the direction of
the flow.
2. Open the shut-off valve.
3. Remove the pump and clean.
4. Start and stop several times by plugging and unplugging
the cord. Check for a clogged vent hole in pump case.
5. Remove the pump and clean the openings.
6. Reduce the distance or change the discharge fittings of
the pump.
1. Start and stop several times by plugging and unplugging
the cord. Check for a clogged vent hole in the pump
case.
2. Reduce the distance or change the discharge fitting of
the pump.
3. Remove the pump and clean the strainer and openings.
4. Remove the pump and clean.
5. Remove the pump and clean.
6. Ensure the float operates freely in the basin. Check for a
clogged vent hole in the pump case.
1. Remove the pump and clean.
2. The fuse must be 15 amps.
3. Remove the pump and clean.
4. Remove other devices from electrical circuit.
1. Remove the pump and clean the openings.
2. Remove the pump and clean.
3. Remove the pump and clean. Also clean the strainer if
one is installed.
ELECTRICAL PRECAUTIONS
Before servicing a pump, always shut off the main power breaker and then unplug the pump. Make sure you are not
standing in water and are wearing insulated protective sole shoes, under flooded conditions. Contact your local electric
company or a qualified licensed electrician for disconnecting electrical service prior to pump removal
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
6
