Tristar
Insulation Degradation / Heat Shield Failure
Exterior of the multicooker becomes excessively hot to the touch during normal operation.
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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
Damaged internal thermal insulation, Missing or mispositioned heat shield, Blocked ventilation, Overfilled cooker causing excessive steam
How to Fix / Troubleshooting
Safety first: Avoid touching hot surfaces; use handles and keep children away from the appliance.
- Check placement: Ensure adequate clearance around the cooker and do not operate it under low cabinets where heat can accumulate.
- Monitor temperature: Some warmth is normal, but if you cannot briefly touch the sides, there may be an internal issue.
- Inspect vents: Clean any dust or grease from vents to improve airflow.
- Internal inspection (advanced): With the unit unplugged and cooled, remove the outer shell (if serviceable) to check that reflective heat shields and insulation are intact and correctly positioned.
If insulation or shields are damaged or missing, they should be replaced to prevent overheating of the exterior and nearby surfaces.
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Repair Difficulty
Hard
4/5
Required Part
Internal Thermal Insulation / Heat Shield
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