Gaggenau Improper Combustion / Air-Gas Mixture Issue

Gas burner flame is yellow, noisy, or lifting off the burner on a Gaggenau cooktop

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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

Incorrect gas type or orifices, Misadjusted air shutter, Blocked burner ports, Low or high gas pressure

How to Fix / Troubleshooting

Safety: Turn off the burner before adjustments. If you suspect incorrect gas type (e.g., LP vs. natural gas), contact a qualified technician.

  • Clean burner: Remove and clean the burner head and ports to ensure even gas flow.
  • Check cap alignment: Make sure the burner cap is correctly positioned.
  • Observe flame: A proper flame should be blue with a stable shape. Yellow tips indicate incomplete combustion.
  • Gas type verification (technician): Confirm that the correct gas orifices are installed for your gas type (natural gas or LP) as specified by Gaggenau.
  • Adjust air shutter (technician): Adjust the air shutter on the burner to correct lifting or yellow flames.
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Repair Difficulty

Medium 3/5

Required Part

Burner Orifice / Air Shutter
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