Troubleshooting - Goulds Pumps J5S Installation, Operation And Troubleshooting Manual

TROUBLESHOOTING

TROUBLESHOOTING
FAILURE TO DISCONNECT AND
DANGER
LOCKOUT ELECTRICAL POWER
Hazardous
BEFORE ATTEMPTING ANY
voltage
MAINTENANCE CAN CAUSE
SHOCK, BURNS OR DEATH.
SYMPTOM
MOTOR NOT RUNNING
See Probable Cause – 1 through 5
LITTLE OR NO LIQUID DELIVERED BY PUMP
See Probable Cause – 6 through 11
PUMP DELIVERS WATER – WILL NOT SHUT OFF
See Probable Cause – 9 through 13
PUMP CYCLES EXCESSIVELY
See Probable Cause – 14 through 17
PROBABLE CAUSE
1. Motor thermal protector tripped
2. Open circuit breaker or blown fuse
3. Impeller binding
4. Wiring incorrect/check motor voltage setting
5. Defective motor
6. Pump not primed, inadequate suction pipe
submergence, air leak in suction pipe
7. Discharge or suction plugged, closed valve(s)
8. Low voltage causing reduced motor speed
9. Impeller worn or plugged, no jet assembly installed,
or jet plugged
10. System head too high
11. Suction lift or suction losses excessive
12. Pressure switch plugged, incorrectly adjusted
13. Leaks in discharge piping or at house
14. Defective suction check or foot valve
15. Water logged pressure tank
16. Pump farther than 5 feet from tank
17. High friction loss valves between pump and tank.
(Use only fully open gate valves)
11