Brock Thermal Expansion / Relay Cycling Noise

Multicooker makes clicking or popping sounds frequently during operation.

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Possible Causes

Normal expansion of metal parts, Heater relay switching on and off, Slightly warped inner pot causing uneven contact, Loose inner pot moving during boiling

How to Fix / Troubleshooting

Safety first: Normal soft clicking is usually safe. If you hear loud bangs or smell burning, unplug immediately.

  • Check pot seating: Ensure the inner pot is fully seated and making good contact with the heating plate.
  • Use a flat pot: If the pot bottom is warped, replace it with a new Brock inner pot.
  • Observe behavior: Occasional clicks from the relay are normal as the cooker maintains temperature.
  • Service if abnormal: If the sounds are very loud, metallic, or accompanied by error codes or overheating, have the cooker inspected.
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Repair Difficulty

Very Easy 1/5

Required Part

Inner Pot
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