Franklin S - J Series Motor does not Start, LOW Pump Pressure, High Pump Pressure, Leaking Unions

Page 3

TROUBLESHOOTING

MOTOR DOES NOT START

1.Disconnect switch or circuit breaker in OFF position.

2.Fuses blown or thermal overload open.

3.Locked motor shaft.

4.Motor windings burned out.

5.Defective starting switch inside single-phase motor.

6.Disconnected or defective wiring.

7.Low voltage.

LOW PUMP PRESSURE

1.Pump running at reduced speed (see motor)

2.Discharge valve or inlet fittings open too wide.

HIGH PUMP PRESSURE

1.Discharge valve or inlet fittings closed too much.

2.Return lines too small.

MOTOR DOES NOT REACH FULL SPEED

1.Low voltage.

2.2 speed model set on low speed.

3.Motor windings connect for wrong voltage on dual voltage model.

NOISY PUMP AND MOTOR

1.Worn motor bearings.

2.Valve in suctin line partly closed.

3.Suction line partly plugged.

4.Pump not supported properly.

MOTOR OVERHEATS (Protector trips)

1.Low voltage.

2.Motor windings connected for wrong voltage on dual voltage model.

3.Inadequate ventilation.

PUMP DELIVERS NO WATER

1.Pump is not primed.

2.Closed valve in suction or discharge line.

3.Leakage of air into suction line.

4.Impeller Clogged.

LOW PUMP CAPACITY

1.Valve in suction or discharge line partly closed.

2.Suction or discharge line partly plugged.

3.Suction or disharge line too small.

4.Pump running at reduced speed (see above)

5.Impeller clogged.

LEAKAGE OR WATER AT SHAFT

1. Shaft seal requires replacement.

AIR BUBBLES AT INLET FITTINGS

1.Leakage of air into suction line at connections or valve system.

2.Restriction in suction line.

LEAKING UNIONS

1.O-ring missing or damaged.

2.Plumbing in bind.

3.Insufficient tightening.

NOTE: If the recommendations in the Troubleshooting portion of this manual do not solve your particular problem(s), please contact your local dealer for service.

2

Image 3
Contents Read and Follow Safety Instructions Installation LocationInspection PVC-PVC Joint PVC-ABS Joint Pump MaintenanceService and Repair Parts General PlumbingMotor does not Reach Full Speed Motor does not StartLOW Pump Pressure High Pump PressureParts for Model J, JCM, S, and SKM Limited Warranty Page