SEF100-SEF200
Heavy Duty Sewage Pumps
OPERATION MANUAL
Dated: 08/09/2016
Document Name: SEF100-SEF200_OM
Page 7 of 12
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motor to run slow, resulting in motor overload.
Clear impeller.
Fuse blows or circuit breaker trips when pump
starts.
1. Inlet in pump base may be clogged. Remove
pump and clean out openings.
2. Impeller or volute openings may be plugged or
partially plugged. Remove pump and clean out.
3.
Pump impeller may be partially clogged causing
motor to run slow, resulting in motor overload.
Clear impeller.
4.
Fuse size or circuit breaker is too small.
5.
Defective motor stator; return to authorized
service center for verification.
Motor runs for short time then stops. Then after
short period starts again. Indicates tripping
overload caused by symptom shown.
1. Inlet in pump base may be clogged. Remove
pump and clean out openings.
2. Impeller or volute openings may be plugged or
partially plugged. Remove pump and clean out.
3.
Pump impeller may be partially clogged causing
motor to run slow, resulting in motor overload.
Clear impeller.
4.
Defective motor stator; return to authorized
service center.
W
arranty
Is
VoId
If
...
1. Using an extension cord.
2. Power cord has been cut or the grounding
prong removed or using an adapter fitting.
3.
The switch has been disassembled or tampered
with.
4. Any tags or labels have been removed.
5. Used in a heavy grease application
6. Used in applications exceeding the designed
temperature range of 32 - 104 degrees F.
t
roubleshootIng
Pump does not run and/or just hums.
1.
Line circuit breaker is off, or fuse is blown or
loose.
2. Water level in sump has not reached turn-on
leve.
3.
Pump cord is not making contact in receptacle.
4. Float is stuck. It should operate freely in basin.
5.
If all of the above are OK, then the motor could
be malfunctioning.
Pump runs but does not deliver water.
1. Discharge shut-off valve (if used) may be
closed.
2. Impeller or volute openings are fully or partially
clogged. Remove pump and clean.
3.
Pump is air-locked. Start and stop several
times by plugging and unplugging cord. Check
for clogged vent hole in pump case.
4. Inlet holes in pump base are clogged. Remove
pump and clean the openings.
5.
Vertical pumping distance is too high. Reduce
distance or change the discharge fittings of the
pump.
Pump runs and pumps out sump, but does not
stop
.
1. Switch is stuck in up position.
Pump runs but delivers only small amount of
water.
1. Pump may be air locked. Start and stop several
times by plugging and unplugging cord. Check
vent hole in pump case for plugging.
2.
Vertical pumping distance is too high. Reduce
distance or change the discharge fittings of the
pump.
3.
Inlet in pump base may be clogged. Remove
pump and clean out openings.
4. Impeller or volute openings may be plugged or
partially plugged. Remove pump and clean out.
5. Pump impeller may be partially clogged causing
