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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. Pump head may be too
high. Pump cannot deliver
water over 25' vertical lift.
Horizontal distance does
not affect pumping, except
loss due to friction through
discharge pipe.
3. Inlet in pump base may be
clogged. Remove pump and
clean out open ings.
4. Impeller or volute openings
may be plugged or partially
plugged. Re move pump and
clean out.
5. Pump impeller may be
partially clogged causing
motor to run slow, resulting
in motor overload. Clear
impeller.
D-A1
Fuse blows or circuit break er
trips when pump starts.
1. Inlet in pump base may be
clogged. Remove pump and
clean out open ings.
2. Impeller or volute openings
may be plugged or partially
plugged. Re move 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.
6093 0909
Motor runs for short time then
stops. Then after short period
starts again.
indicates tripping over load
caused by symp tom shown.
1. Inlet in pump base may be
2. Impeller or volute openings
3. Pump impeller may be
4. Defective motor stator; return
W-A1
clogged. Remove pump and
clean out open ings.
may be plugged or partially
plugged. Re move pump and
clean out.
partially clogged causing
motor to run slow, resulting
in motor overload.
Clear impeller.
to authorized service center.
V-A1
5
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