Ninja Electrical Overheating or Component Burn

Strong burning plastic or electrical smell during operation, sometimes accompanied by visible smoke from vents.

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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

Melted wiring harness near element, Failing fan motor, Overheating control board, Foreign plastic object left inside

How to Fix / Troubleshooting

Safety first: Turn off and unplug the smoker immediately. Do not continue using it until the source is identified.

  • Internal inspection: After cooling, remove access panels and inspect wiring, connectors, and the control board for melted plastic or burn marks.
  • Check interior: Ensure no plastic packaging, utensils, or liners were left inside the cooking chamber.
  • Fan and element area: Inspect around the heating element and fan for signs of overheating or melted insulation.
  • Replace damaged parts: Any burned wiring harness, fan motor, or control board must be replaced. Do not attempt to operate with damaged components.
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Repair Difficulty

Hard 4/5

Required Part

Wiring Harness
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