RCA Thermal Expansion or Electrical Arcing

RCA oven makes loud popping or buzzing noises when 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

Metal liner expansion noises, Loose element mounting brackets, Arcing at damaged element or terminal, Loose connection at terminal block

How to Fix / Troubleshooting

Safety first: Turn off power at the breaker before inspecting electrical connections.

  • Differentiate noises: Occasional light popping from metal expansion is normal. Loud, sharp pops or buzzing may indicate arcing.
  • Inspect elements: Look for burn marks or pitting on the bake and broil elements and their terminals. Replace the heating element if damaged.
  • Check mounting hardware: Tighten loose element mounting screws and any loose panels that may vibrate.
  • Inspect terminal block: Remove the rear cover and check the power terminal block for loose or burned connections. Tighten and replace damaged parts.
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Repair Difficulty

Medium 3/5

Required Part

Bake Element
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