Beko Overheating of Plastic Components / Electrical Insulation

Air fryer emits a strong burning plastic smell during use.

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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

New appliance burn-in residues, Plastic parts too close to heater, Wiring insulation overheating, Foreign plastic object inside heater area

How to Fix / Troubleshooting

Safety first: If the smell is intense or accompanied by smoke, unplug immediately and do not use until inspected.

Steps to investigate:

  • Initial burn-in: For a new Beko air fryer, run it empty at high temperature for 10–15 minutes with good ventilation. A mild smell is normal initially.
  • Inspect interior: After cooling, check for any plastic packaging, cable ties, or labels left near the heater or fan.
  • Open housing: If the smell persists, remove the cover and inspect around the heater and wiring for melted plastic or discoloured insulation.
  • Correct clearances: Ensure internal plastic ducts or shields are properly clipped and not sagging toward the heater.
  • Replace damaged parts: Replace any melted wiring harness, plastic air duct, or other components showing heat damage.

Warning: Do not continue using the appliance if any plastic has melted near the heater; this is a fire and fume hazard.

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Repair Difficulty

Hard 4/5

Required Part

Wiring Harness
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