Troubleshooting - LF Utilitech Pro UT58104 Manual De Usario

TROUBLESHOOTING

Problem
Pump will not 1. Blown fuse or tripped circuit breaker.
start or run.
2. Low line voltage.
3. Overload is open.
4. Motor is defective.
5. Switch is defective.
6. Wiring is incorrect.
7. Switch is obstructed.
8. Impeller is obstructed.
Motor overheats 1. Incorrect voltage.
and trips
overload or
2. Impeller is obstructed.
blows fuses.
3. Motor is defective.
Pump starts and 1. Check valve is missing.
stops too often.
2. Switch is defective.
3. Check valve not functioning properly
4. Float is too tight on float rod.
5. Overload is open.
Pump will not 1. Switch is defective.
shut off.
2. Switch is obstructed.
3. Discharge pipe is clogged.
4. Water inflow exceeds pump capacity. 4. Recheck sizing calculations to
Pump operates 1. Low line voltage.
but delivers little
2. Inlet screen clogged.
or no water.
3. Broken impeller or debris in impeller
4. Water inflow exceeds pump capacity. 4. Recheck sizing calculations to
5. Check valve is stuck, closed or
6. Vent hole is clogged.
Possible Cause
or leaking.
cavity.
installed backward.
Corrective Action
1. If blown, determine cause and then
either replace with properly sized fuse
or reset breaker.
2. Contact an electrician.
3. Allow motor to cool and overload to
reset.
4. Replace pump.
5. Replace switch.
6. Plug pump into a working 115V
receptacle.
7. Remove obstruction to ensure free
motion of switch.
8. Remove screen and volute, clean
impeller or replace impeller.
1. Make sure pump is connected to 115V
electrical service.
2. Remove screen and volute, clean
impeller or replace impeller.
3. Replace pump.
1. Install check valve.
2. Replace switch.
3. Be sure check valve is installed and
operating properly. Replace check
valve if necessary.
4. Clean debris build-up off float rod.
5. Allow motor to cool and overload to
reset.
1. Replace switch.
2. Remove obstruction to ensure free
motion of switch.
3. Remove clog in discharge piping.
determine proper pump size.
1. Contact an electrician.
2. Remove debris.
3. Remove screen and volute, clean
impeller or replace impeller.
determine proper pump size.
5. Be sure check valve is installed and
operating properly. Replace check
valve if necessary.
6. Clean vent hole.
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