15
Pump
Problem Cause Action
Motor Does Not Start
Switch or circuit breaker is in OFF position Turn to ON position
Fuses blown or thermal overload open Replace fuses
Locked motor shaft Replace the pump
Motor windings burned out Replace the pump
Defective starting switch inside single-phase motor Replace the pump
Disconnected or defective wiring Repair wiring
Low voltage Call an electrician
Pump Does Not Reach Full
Speed
Low voltage Call an electrician
Pump connected to the wrong voltage Call an electrician
Motor Overheats (Circuit
Breaker Trips)
Low voltage Call an electrician
Motor windings connected to the wrong voltage on dual-
voltage models
Call an electrician
Inadequate ventilation Relocate the pump
Pump Delivers No Water
Pump is not primed Prime the pump
Closed valve in suction or discharge line Open the valve
Leakage or air into suction system Call a plumber
Impeller clogged
Disassemble pump, clear
obstruction
Leakage Of Water At Shaft Shaft seal requires replacement Replace seal
Low Pump Capacity
Valve in suction or discharge line partly closed Open or replace the valve
Suction or discharge line partly plugged Clear the obstruction
Suction or discharge line too small
Re-plumb with larger pipe
diameter
Plugged basket in skimmer or hair and lint strainer Clean the basket
Dirty lter Clean the lter
Impeller clogged Disassemble pump
High Pump Pressure
Discharge valve or inlet ttings closed too much Readjust or replace
Return lines too small
Re-plumb with larger pipe
diameter
Dirty lters Clean lter
Noisy Pump And Motor
Plugged basket in skimmer or hair in lint strainer Clean basket
Worn motor bearings Replace the pump
Valve in suction line partly closed Readjust the valve
Suction line partly plugged Clean or remove the plug
Vacuum hose plugged or too small Clean or remove the plug
Pump not supported properly Examine or replace the base
Air Bubbles At Inlet Fittings
Leakage of air into suction line at connections or valve stem Call a plumber
Cover gasket of hair and lint strainer needs cleaning Clean the cover gasket
Low water level in pool Rell pool
Table E. Troubleshooting Guide, Pump
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