Tristar
Thermal Expansion / Loose Internal Hardware
Multicooker makes loud clicking, popping, or metallic noises during heating.
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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 heating plate mounting screws, Warped inner pot flexing on heater, Bimetal thermostat cycling loudly, Debris trapped under heating plate
How to Fix / Troubleshooting
Safety first: Unplug and cool the cooker before inspecting internal parts.
- Differentiate normal sounds: Occasional soft clicks from relays or metal expansion are normal. Repetitive loud pops or grinding are not.
- Check inner pot: Ensure the pot sits flat and is not warped. Replace if the bottom is uneven.
- Inspect under pot: Remove the pot and look for foreign objects on the heating plate. Remove any debris.
- Bottom inspection (advanced): Remove the bottom cover and gently check that the heating plate mounting screws are snug. Do not overtighten, as this can warp the plate.
If noises persist or are accompanied by error codes or burning smells, stop using the cooker and seek professional service.
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Repair Difficulty
Medium
3/5
Required Part
Heating Plate Mounting Hardware
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