Troubleshooting - Utilitech 50AC-110 Install Manual

trouBLeShootiNG

SyMptoM
Pump will not prime
or retain prime after
operating
Pump runs but no fluid
Motor runs too hot
Flow rate is low
Seal leaks
Pump will not run
poSSiBLe cAuSe
1. Air leak in suction line
2. Seal worn
3. Gasket leaking
4. Groove worn in shaft at seal area
5. Suction lift too high
6. Hose kinked
7. Hose fitting not tight on head
1. Faulty suction piping
2. Defective cam or impeller
3. Suction lift too high
4. Discharge height too great
5. Clogged inlet
6. Pump too far from liquid
1. Voltage incorrect
2. Excessive discharge pressure
3. Impeller swollen
4. Liquid too viscous
5. Plugged or kinked discharge
6. Insufficient air flow on motor
1. Piping is fouled or damaged
2. Clogged impeller
3. Worn impeller
4. Voltage incorrect
1. Seal worn out
2. Shaft grooved
3. Pump head loose on motor
1. No power
2. Impeller jammed
3. Motor has open circuit
4. Motor overheated
8
correctiVe ActioN
1. Repair or replace
2. Replace seal
3. Replace gasket
4. Replace motor
5. Lower pump
6. Straighten hose
7. Tighten hose
1. Repair or replace
2. Replace
3. Lower pump
4. Lower the height
5. Clean or replace
6. Relocate
1. Supply to be 115V
2. Reduce pressure
3. Replace
4. Reduce viscosity of liquid
5. Examine & repair
6. Be sure ample fresh air is
available at the motor
1. Clean or replace
2. Clear obstruction
3. Replace cam or impeller
4. Supply to be 115V
1. Replace seal
2. Replace motor
3. Repair
1. Determine that outlet is 115
2. See impeller section
3. Clear obstruction
4. Motor has automatic thermal
protector. Wait fifteen minutes
for motor to cool.