Black+Decker Mechanical / Electrical Noise from Heating and Relays

Multicooker makes loud clicking, popping, or buzzing noises during 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

Normal relay switching amplified by loose panels, Warped inner pot causing popping, Loose screws on heater plate or chassis, Failing relay on main PCB

How to Fix / Troubleshooting

Safety first: Unplug the cooker before tightening any screws or opening covers.

  • Differentiate normal vs abnormal: Occasional soft clicks from relays are normal. Loud, continuous buzzing or arcing sounds are not.
  • Check pot fit: Ensure the inner pot sits flat and does not rock. Replace if warped.
  • Tighten screws: With the unit unplugged, tighten accessible screws on the base and around the heater plate to reduce vibration.
  • Inspect for arcing (advanced): Remove the bottom cover and look for sparks or burn marks around the relay and heater connections while briefly powered (only if you are trained and extremely cautious). If present, discontinue use and replace the main board.
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Repair Difficulty

Medium 3/5

Required Part

Inner Pot, Heater Plate Mounting Screws, Main Control Board Relay
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