Kuppersbusch Convection (Fan) Element Failure

Oven fan runs but there is no heat in fan-forced (convection) mode; other modes may work.

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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

Open-circuit convection heating element, burnt element terminals, broken wiring to fan element, failed relay controlling fan element

How to Fix / Troubleshooting

Safety first: Disconnect mains power and allow the oven to cool.

  • Access fan element: Remove the rear panel inside the oven cavity to expose the circular convection element around the fan.
  • Check continuity: Disconnect the element leads and measure resistance. An infinite reading indicates a failed element.
  • Inspect terminals: Look for heat damage or loose spade connectors at the element terminals; clean and tighten as needed.
  • Wiring and relay: If the element is good, trace wiring back to the control board and test the corresponding relay for operation.
  • Replace element: Install a new convection (fan) heating element if the original is open or physically damaged.

Note: Ensure the fan blades are clean and rotate freely to distribute heat evenly after repair.

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Repair Difficulty

Medium 3/5

Required Part

Convection Heating Element
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