USSPA
Overheating Electrical Component
Cover lifter area or cabinet smells strongly of burning plastic or electrical smoke.
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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 or pump terminal causing arcing, Failing motor windings, Overloaded control board relay, Melted wiring insulation from poor connections
How to Fix / Troubleshooting
Safety first: Immediately turn OFF power at the breaker and do not use the spa until the source is identified and repaired.
- Inspect equipment bay:
- Open side panels and look for smoke residue, melted plastic, or discolored components.
- Check heater and pump terminals:
- With power OFF, inspect all high-current connections for looseness or burning.
- Replace any burned wires and terminals; tighten all connections to spec.
- Assess motors:
- If a pump motor smells burnt or shows discoloration, replace the motor or complete pump assembly.
- Control board:
- If the board shows burn marks, replace the entire USSPA control board.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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