The short answer: A Dacor burner that sparks but never lights almost always traces to plugged ports, a cap that is off square, or leftover moisture. Continuous sparking proves the ignition works, so the shortfall is gas reaching the flame. Dry the burner, clear the ports, level the cap. If it still will not light, or the spark itself has died, the igniter, the spark-and-reignition module, or the valve is a technician's job. On a smart model a control code may appear, but the burner repair does not change. Here is the owner checklist before you book on North Fulton.
How Dacor Spark Ignition and Re-Ignition Work
Across the Modernist and Heritage rangetops and ranges, Dacor pairs a sealed burner with a continuous spark igniter that fires as you turn the knob and, on many models, an automatic re-ignition circuit that re-sparks the instant a lit flame drops out. Fuel travels from the valve through the ring of ports and the igniter arc ignites it. The gas half and the spark half break down in separate ways, and sorting one from the other is the core of the diagnosis. Steady sparking confirms the spark side is healthy and pushes the blame onto gas flow; a burner that produces no arc at all is pointing at the igniter or the spark module instead.
Reading the Symptoms on a Dacor Burner
Dacor surface burners are diagnosed by what they do rather than by a code, so the table below pairs each symptom with its likely source and the check an owner can safely make first.
| Symptom | Likely Cause | What It Means | Owner Check |
|---|---|---|---|
| Sparks endlessly, no flame | Blocked ports | Baked-on debris in the ports is choking off the gas the flame needs | Let it cool, run a pin through every port, set the cap back level |
| Re-ignition keeps re-sparking | Flame not holding | The burner lights then loses the flame, so re-ignition fires again and again | Check the cap seat and dry the burner; if it persists, book a valve check |
| Lopsided or low flame | Cap out of position | A cap sitting off its seat splits the flame ring so it burns unevenly | Drop the cap back down square with its slots aligned to the igniter |
| No spark at all | Igniter or module | A fractured igniter or a dead spark-and-reignition module makes no usable arc | None; a technician has to test the Dacor igniter and module |
Ports, a level cap, and a fully dried burner are the things an owner can safely put right, and they resolve the majority of Johns Creek ignition calls. When there is no spark at all, or the flame lights and then quits, the burner is naming the igniter, the module, or the valve, and those belong to a technician.
A Dacor burner that will not light while you smell gas means it is time to close the knob and let the room clear before another attempt. Sparking again and again into gas that has pooled is a model-specific danger, not a small annoyance. Handle a burner that lights and then dies with gas still running the same way, and turn it off. A flame that refuses to hold is naming a valve or igniter fault a technician has to verify, so stopping to book beats forcing one more light.
Why Re-Ignition Keeps Firing
The one thing that sets Dacor apart from a plain manual burner is the automatic re-ignition on its Modernist and Heritage sealed burners, which re-sparks a burner the moment its flame goes out. Working normally, that feature quietly relights a flame the pot boil-over or a draft snuffed. But a burner that keeps re-sparking on its own is really reporting that the flame will not stay put, and the causes are the familiar ones: a fouled port starving the ring, a cap seated wrong, or a gas valve or igniter that is weak. So the fix starts the same as any other burner, by clearing the ports and squaring the cap, and if the re-ignition still will not settle the valve and igniter want testing.
When the Igniter, Module, or Valve Is at Fault
Ports clear, burner dry, cap square, and it still will not light means the trouble has moved into the ignition hardware. A hairline-cracked igniter passes current but never builds a real arc, a spark-and-reignition module can quit so a single burner or an entire set stops firing, and a gas valve that fails to open leaves the burner starved even with a strong spark. We measure the igniter, the module, and the valve, verify both the arc and the gas flow, and match any Dacor replacement to your exact model. These are live-gas components, so they are the part of the job to hand to a technician rather than attempt on a hunch.
When to Book
Running a pin through the ports, drying the burner, and squaring the cap are the sensible owner moves. Call a technician when a burner produces no spark, when it keeps sparking but will not light after a real cleaning, when it lights and then dies, when the re-ignition will not stop re-firing, or any time gas is in the air. The igniter, the spark-and-reignition module, and the gas valve each need proper measurement rather than guesswork. We install model-specific Dacor Genuine OEM Parts selected to your model, and every Johns Creek repair we finish carries our Completed repairs include a 180-day repair warranty. Written terms are provided with the repair., with the flat service fee credited to the work.