La Cornue Range Top No Ignition
La Cornue Range Top No Ignition is a fault our factory-trained technicians diagnose and repair with genuine parts. Below is what it means, the most likely causes, and the steps to try before booking service.
What Gas Burner Ignition Fail means on your La Cornue Range Top
A gas burner module on a La Cornue range-top that will not ignite is an indicator usually traced to clogged ports, a misseated cap, a wet electrode, or a weak spark. Other working burners help isolate the fault to that module.
Symptoms to look for
The signs below help confirm you are dealing with this condition rather than a different fault. You may notice just one of them or several together, and they can appear gradually over time or suddenly after a spill, a power event, or recent service.
- One burner module will not light while others do
- Spark present but no flame, or no spark
- Partial flame around the cap
- Followed a spill or cleaning
Common causes
Several different faults can produce these symptoms. Working through the most likely causes in order helps you separate a quick, inexpensive fix from a problem that needs trained service and the correct La Cornue parts.
- Clogged ports — blocked gas holes
- Misseated cap — disrupts flame/spark
- Wet/dirty electrode — no spark
- Weak module/valve — insufficient spark or gas
Troubleshooting steps you can try
Work through these checks in order, with the appliance cool and powered down before you touch any internal part. Stop at any point where you are unsure, or where gas, high heat, or live electrical parts are involved, and hand the remaining diagnosis to a qualified technician.
- Ensure the cap is dry, clean, and seated.
- Clear ports with a pin or soft brush (do not enlarge).
- Dry after cleaning.
- Confirm gas supply via other burners.
When to call a technician
If cleaning and reseating fail, the electrode, module, or valve may need a technician to test and replace with correct La Cornue parts. You can reach the La Cornue National Service Center on 1-877-522-6768, or find an authorized technician through the manufacturer at lacornueusa.com. La Cornue appliances are hand-built and use proprietary parts, so factory-trained service protects both your warranty and the appliance.
Parts a technician may replace
Depending on what the diagnosis shows, a technician may inspect, test, or replace the spark electrode, burner cap/ports, and gas valve. The correct part for your configuration is identified from the model and serial number; on La Cornue appliances these are proprietary components fitted by trained service rather than generic substitutes, which protects both performance and the appliance’s long-term value.
Safety and prevention
To reduce the chance of this returning on your La Cornue Range Top, keep up with routine care — clean spills before they bake on, follow the manufacturer’s maintenance schedule, and avoid abrasive pads or harsh chemicals on enamel, brass, and finished surfaces. Periodic professional servicing catches wear items early, and addressing small performance changes promptly usually means a simpler repair. When you book service, having the model and serial plate details and a note of exactly what you observed will help the visit go quickly. A clear description of when the problem started and what you were cooking at the time often points the technician straight to the cause.
Need help now? Book a certified technician on our schedule page, explore more La Cornue range top error codes, or see full La Cornue range top repair options.
