Bella Thermal Expansion or Relay Operation Noise

Multicooker makes loud clicking or popping noises during heating.

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Possible Causes

Normal expansion of metal parts, Relay or triac switching on control board, Loose mounting screws on heating plate, Warped inner pot causing flexing

How to Fix / Troubleshooting

Safety first: Unplug the cooker before tightening any screws or inspecting internal parts.

  • Differentiate normal vs abnormal: Occasional soft clicks are normal as relays switch. Loud metallic pops or rattles may indicate loose parts.
  • Check inner pot and lid: Ensure both are seated properly and not rattling.
  • Tighten base screws: Remove the bottom cover and gently tighten mounting screws for the heating plate and chassis.
  • Inspect for cracks: Look for cracked brackets or supports that may flex under heat; replace if necessary.
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Repair Difficulty

Easy 2/5

Required Part

Heating Plate Mounting Brackets / Inner Pot
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