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 filter
Clean the filter
Impeller clogged
Disassemble the pump
High Pump Pressure
Discharge valve or inlet fittings closed too much
Readjust or replace
Return lines is too small
Re-plumb, use a larger pipe
diameter
Dirty filter
Clean the filter.
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
Refill 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.
