9
7. TROUBLESHOOTING
Problem Cause Action
Motor Does Not Start
Switch or circuit breaker is in ON 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 the 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 the suction or discharge line Open the valve
Leakage or air into suction system Call a plumber
Impeller is clogged Disassemble the pump
Leakage Of Water At Shaft Shaft seal requires replacement Replace the seal
Low Pump Capacity
Valve in suction or discharge line is partly closed Open or replace the valve
Suction or discharge line is partly plugged Clear the obstruction
Suction or discharge line is too small
Re-plumb, use a larger pipe
diameter
Plugged basket in skimmer or hair and lint strainer Clean the basket
Dirty lter Clean the lter
Impeller clogged Disassemble the pump
High Pump Pressure
Discharge valve or inlet ttings closed too much Readjust or replace
Return lines is too small
Re-plumb, use a larger pipe
diameter
Dirty lter Clean the lter.
Noisy Pump And Motor
Plugged basket in skimmer or hair in lint strainer Clean the basket
Worn motor bearings Replace the pump
Valve in suction line is partly closed Readjust the valve
Suction line is partly plugged Clean or remove the plug
Vacuum hose is 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 B. Troubleshooting Guide
CONTROLLED COPY approved for factory use on 4/16/2020. RAYPAK PROPRIETARY AND CONFIDENTIAL INFORMATION . Approval signatures on file in Engineering.
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