Pentair Pool Products Hydromatic SW33 Installation And Service Manual page 5

4. If pump is using the series cord
plug, the two plugs may not be
plugged tight together.
5. Float may be stuck. Be sure
float operates freely in basin.
6. If all symptoms check OK,
motor winding
open; take to service center
for check.
Pump runs but does not
deliver water.
1. Check valve may be installed
backward. Arrow in valve
points in direction of flow.
2. Discharge gate valve, if used,
may be closed.
3. Pump may be air locked. Start
and stop several times by
plugging and unplugging cord.
Check vent hole in pump case
for plugging.
4. Pump head may be too high.
Pump cannot deliver water
1
over 30' ( ⁄ HP), 26' (
2
vertical. Horizontal distance
does not affect pumping,
except loss due to friction.
5. Inlet in pump base may be
clogged. Remove pump and
clean out openings.
6. Impeller or volute openings
may be plugged
partially plugged.
pump and clean
maintenance instructions.
Pump runs and pumps out
sump but does not stop.
1. Float is stuck in Up position.
Be sure float operates freely
in basin.
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 30' (
vertical. Horizontal distance
does not affect pumping,
may be
except loss due to friction.
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
instructions.
5. Pump
partially
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
1
⁄ HP)
3
clean out openings.
2. Impeller or volute openings
may
partially plugged.
pump
maintenance instructions.
3. Pump
partially
or
motor to run slow, resulting
Remove
in motor overload. Clear
per
impeller.
4. Fuse size or circuit breaker is
too small.
5. Defective motor stator: return
to Hydromatic service center
for verification.
Motor runs for short time then
stops.
period starts again. Indicates
tripping overload caused by
symptom shown.
1 ⁄ HP), 26' ( 1 ⁄ HP)
2 3
per maintenance
impeller may be
clogged causing
be plugged or
Remove
and clean per
impeller may be
clogged causing
Then after short
1. Inlet in pump base may be
clogged. Remove pump and
clean out openings.
2. Impeller or volute openings
may be plugged
partially plugged.
pump and clean
maintenance instructions.
3. Pump impeller
partially clogged
motor to run slow, resulting in
motor overload. Clear impeller.
4. Defective motor stator: return
to Hydromatic service center
for verification.
Your pump warranty is void...
If... power cord has been cut or
spliced.
If... pump has been used to pump
mud, cement, tar, abrasives or
chemicals.
If... pump has been used for
pumping of hot water (above
120°F).
If... pump has been dismantled
by other than
Hydromatic service center or
distributor.
or
Remove
per
may be
causing
authorized
5