Siemens Incorrect Air-Gas Mixture / Burner Contamination

Gas burner flame is uneven, yellow, or noisy (lifting off the burner)

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.

Possible Causes

Dirty burner ports, Incorrect injector size (wrong gas type), Insufficient primary air, High gas pressure

Safety first: Turn off the burner before cleaning. Avoid inhaling combustion fumes.

User actions:

Clean the burner head and cap thoroughly, removing grease and debris from all ports.
Ensure the cap is correctly seated.

Technician actions:

Verify that the cooktop is configured for the correct gas type (natural gas vs. LPG) and that the correct injectors are installed.
Adjust air shutters (if adjustable) to achieve a stable blue flame.
Measure gas pressure and adjust the regulator if necessary.

Medium 3/5

Burner Head Assembly

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