USSPA
Ground Fault / Electrical Leakage
Spa trips the GFCI/RCD immediately or shortly after turning on.
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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
Water intrusion into pump or blower motor, Faulty heater element leaking to ground, Damaged wiring insulation, Defective ozonator or LED transformer
How to Fix / Troubleshooting
Safety first: Frequent GFCI trips indicate a potentially dangerous fault. If you are not experienced with electrical diagnostics, contact a professional. Always turn OFF power before touching any components.
- Visual inspection:
- Check for obvious water leaks onto electrical components.
- Look for burned or melted wiring.
- Isolate components:
- Disconnect non-essential loads (ozonator, blower, LED lights) one at a time and reset the GFCI.
- If the spa runs without tripping after disconnecting a component, that component is likely faulty.
- Heater test:
- Disconnect heater wires and try powering the spa; if trips stop, the heater element may be leaking to ground and should be replaced.
- Pump inspection:
- Check pumps for water inside motor housings; replace any water-damaged motors.
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Repair Difficulty
Professional Required
5/5
Required Part
Heater Assembly
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