Sundance Spas
Overheating Electrical Component
Strong chemical or burning plastic smell from the equipment bay; components may appear discolored.
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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 high-current connection on heater or pump, Failing contactor or relay on control board, Pump motor overheating, Melted wire insulation from overload
How to Fix / Troubleshooting
Safety first: Immediately turn off power at the breaker. Do not continue to operate the spa until the source is identified. Risk of fire is present.
- 1. Visual inspection: With power OFF, open the equipment bay and look for burnt wires, melted connectors, or discolored components.
- 2. Check heater terminals: Inspect the heater connections on the control board and heater tube for signs of overheating.
- 3. Smell test: Carefully sniff near the control box and pump motors to localize the odor source (without touching components).
- When to call a technician: Any signs of burnt wiring or components require professional repair. Components may need to be replaced and connections retorqued to manufacturer specifications.
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Repair Difficulty
Professional Required
5/5
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