Why Does My Oven Keep Switching Off?

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An oven that keeps turning off during use can ruin meals and is frustrating to deal with. The most common causes are:

  • Overheating / thermal cut-out: A safety device cuts the power when the oven overheats. This can be triggered by a blocked vent or a faulty cooling fan. Cost to repair: £80–£140.
  • Faulty temperature sensor: If the sensor reads too high, the oven thinks it's overheated and shuts off. Cost: £80–£120.
  • Control board fault: An intermittent fault on the control board. Cost: £130–£220.
  • Loose wiring: A loose connection that fails when hot. Requires an engineer to diagnose. Cost: £80–£140.