De'Longhi Thermal Expansion / Loose Internal Components

Loud clicking, popping, or metallic noises from inside the cooker 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 heater plate mounting screws, Warped metal components, Food debris trapped under heater plate, Normal expansion noises amplified by casing

How to Fix / Troubleshooting

Safety first: Unplug and allow the cooker to cool before handling.

  • Differentiate normal vs abnormal: Occasional soft clicks from metal expansion are normal. Continuous loud metallic clanks or grinding are not.
  • Check for debris: Remove the inner pot and inspect the heater plate for foreign objects. Remove any found items carefully.
  • Level surface: Ensure the cooker is on a stable, level surface to reduce vibration noise.

If noises are very loud or accompanied by burning smell or error codes, internal fasteners or components may be loose and should be inspected by a technician.

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Repair Difficulty

Medium 3/5

Required Part

Heater Plate Mounting / Internal Frame
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