Aquaterra Spas
Overheating Electrical Component
Spa water has a strong burnt plastic or electrical smell when pumps or heater run.
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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
Loose heater terminal, Failing pump motor, Overheating control board relay, Melted wire insulation
How to Fix / Troubleshooting
Safety first: Turn off power immediately if you smell burning. Do not continue to operate the spa.
- Visual inspection: After allowing components to cool, open the equipment bay and look for discolored, melted, or burnt wiring and connectors.
- Check heater terminals: Inspect the heater connections on the control pack for signs of overheating.
- Do not ignore: Any burnt smell indicates a serious issue that can lead to fire if not corrected.
Contact a qualified spa technician to identify and replace the overheating component (heater, pump, or control board) and repair any damaged wiring.
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Repair Difficulty
Professional Required
5/5
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