Tristar
Insulation / Heat Shield Degradation
Air fryer exterior becomes excessively hot to the touch during normal 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
Missing or damaged internal heat shield, Deteriorated insulation around heater cavity, Blocked ventilation, Operating at maximum temperature for extended periods
How to Fix / Troubleshooting
Safety: Use oven mitts if the exterior is hot. Unplug and allow to cool before opening.
- Check placement and ventilation:
- Ensure adequate clearance around the unit.
- Do not operate under cabinets or near walls.
- Inspect vents:
- Clean dust and grease from all vents.
- Internal inspection (advanced):
- Remove the outer shell to inspect internal heat shields and reflective panels.
- Look for missing screws, warped metal, or missing insulation pads.
- Replace or refit shields: Reattach loose heat shields or replace damaged ones with OEM parts. Do not add flammable insulation.
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Repair Difficulty
Hard
4/5
Required Part
Internal Heat Shield
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