Ikea Overheating / runaway temperature

Oven overheats and burns food even at low temperature settings

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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

Shorted oven temperature sensor, Stuck heater relay on control board, Miswired heating elements, Faulty control board temperature regulation

How to Fix / Troubleshooting

Safety first: Disconnect power immediately if the oven overheats uncontrollably. Do not continue using it until repaired.

  • Test sensor: With power off, measure the sensor resistance. A very low resistance (near short) will cause overheating; replace the sensor.
  • Check relays: Inspect the control board for a heater relay that is welded closed (contacts stuck). Replace the board if the relay is stuck.
  • Verify wiring: Ensure that elements are wired to the correct terminals and not permanently connected to live.
  • Control replacement: If sensor and wiring are correct, replace the electronic control board.

Warning: Overheating can damage cabinets and pose a fire risk; do not delay repair.

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Repair Difficulty

Professional Required 5/5

Required Part

Oven Temperature Sensor or Electronic Control Board
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