Sta-Rite
Thermal Overload Tripping
Sta-Rite pool pump motor is very hot to the touch and shuts off after running for a short time, then restarts after cooling.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Restricted ventilation around motor, High ambient temperature, Overloaded pump (high head system), Failing motor bearings increasing load
How to Fix / Troubleshooting
Safety: Allow the motor to cool before touching it. Turn off power before making adjustments.
- Improve airflow: Clear debris around the Sta-Rite motor, ensure adequate clearance, and avoid enclosing the pump in a tight box.
- Check system head: Verify that return valves are open and that the filter is clean. Excessive backpressure can overload the motor.
- Listen for bearing noise: Noisy bearings indicate internal friction; plan for motor replacement.
- Verify voltage: Measure supply voltage under load. Low voltage can cause overheating; correct wiring or supply issues.
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Repair Difficulty
Medium
3/5
Required Part
Sta-Rite pump motor assembly
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