Hydromatic SPD100H, Инструкция по установке и обслуживанию

Страница: 8 / 12

8
Pump does not run or hum.
1. Line circuit breaker may be
off, or fuse, if used, may be
blown or loose.
2. Water level in sump may be
too low. Run in more water.
3. Pump cord plug may not be
making contact in receptacle.
4. If pump is using the series cord
plug, the two plugs may not be
plugged tightly together.
5. Float may be stuck. Be sure
float operates freely in basin.
6. If all symptoms check OK,
motor winding may be
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
over (SPD50H) 50' or
(SPD100H) 64' vertical.
Pump must be sized to
operating conditions.
5. Inlet in pump base may be
clogged. Remove pump and
clean out openings.
6. Impeller or volute openings
may be plugged or partially
plugged.
Remove pump
and clean per 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. Diaphragm vent tube in
power cord may be blocked or
bent. Clear obstruction.
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 (SPD50H) 50' or
(SPD100H) 64' vertical.
Horizontal distance does not
affect pumping, 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 per maintenance
instructions.
5. Pump impeller may be
partially clogged causing
motor to run slow, resulting in
motor overload.
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 per maintenance
instructions.
3. Pump impeller may be
partially clogged causing
motor to run slow, resulting in
motor overload.
4. Fuse size or circuit breaker is
too small.
5. Defective motor stator: return
to authorized Hydromatic
service center.
Motor runs for short time,
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 per maintenance
instructions.
3. Pump impeller may be
partially clogged causing
motor to run slow, resulting in
motor overload.
4. Defective motor stator;
return to Hydromatic
service center.
If symptom is not found on chart,
call authorized Hydromatic
distributor or repair center
for assistance.
Pump
Troubleshooting