Gaggenau Convection (circulation) heating failure

Oven fan runs but there is little or no heat, especially in convection modes

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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

Failed convection (ring) heating element, Open thermal fuse in fan circuit, Burnt wiring to convection element, Faulty relay controlling convection element

How to Fix / Troubleshooting

Safety: Disconnect power before accessing the rear panel or fan area.

  • Check other modes: Test conventional bake and grill. If they heat normally, the issue is likely isolated to the convection element.
  • Access rear panel: Remove the rear cover of the oven cavity (inside) to expose the convection element around the fan.
  • Visual inspection: Look for breaks, blisters, or burn marks on the ring element.
  • Continuity test: Disconnect the element leads and measure resistance. Infinite resistance indicates a failed element.
  • Inspect wiring: Check for burnt or loose connectors at the element and control board.

Action: Replace the convection element if open or visibly damaged. If the element is good, the control relay or board may be at fault.

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Repair Difficulty

Medium 3/5

Required Part

Convection (Ring) Heating Element
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