La Cornue
Gas Leak or Incomplete Combustion
Strong gas smell when oven is operating or immediately after turning it off.
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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
Loose gas connection at oven manifold, Cracked or damaged gas line, Misadjusted burner orifice, Failed gas valve not closing fully
How to Fix / Troubleshooting
Safety first: If you smell strong gas, turn off the oven and gas supply immediately, ventilate the area, and do not operate electrical switches or open flames. Contact a qualified gas technician.
- 1. Shut off gas: Close the gas shutoff valve supplying the La Cornue oven.
- 2. Visual inspection: With gas off, inspect the flexible gas line, manifold connections, and valve body for obvious damage or loose fittings.
- 3. Leak test: A licensed technician should perform a leak test using an approved leak detection solution on all joints while gas is pressurized.
- 4. Burner adjustment: If the smell is mild and only during operation, the burner may be misadjusted. A professional should check flame quality and adjust the air shutter and orifice as needed.
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Repair Difficulty
Professional Required
5/5
Required Part
Oven Gas Valve / Manifold Assembly
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