Franklin Electric
Electrical Short / Ground Fault
Pump trips breaker or GFCI shortly after starting
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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
Shorted motor windings in Franklin Electric motor, Damaged power cable insulation, Water inside motor junction box, Incorrect breaker size or type
How to Fix / Troubleshooting
Safety first: Do not repeatedly reset a tripping breaker. Turn off power and investigate.
- Inspect wiring: Check the cable from the control box to the motor for cuts, abrasions, or melted insulation. Replace if damaged.
- Check motor junction box: Open the motor terminal box and look for moisture, corrosion, or loose connections. Dry and repair as needed.
- Test motor insulation: Use a megohmmeter to test each motor lead to ground. Low resistance indicates a ground fault and the motor should be replaced.
- Verify breaker size: Ensure the breaker and wire size match Franklin Electric specifications for the motor’s full-load current.
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Repair Difficulty
Hard
4/5
Required Part
Franklin Electric pump motor
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