Older gas ranges relied on a continuously burning standing pilot light to ignite burners whenever a knob was turned, a design that worked reliably but wasted a meaningful amount of gas keeping that small flame lit around the clock, day and night, whether the range was actively being used or not. Wolf ranges instead use electric spark ignition, a genuinely more efficient and, from a pure safety standpoint, generally safer design where a dedicated spark module sends an electrical charge to an igniter each time a specific burner is activated, producing the spark needed to light the gas only in the exact moment it's actually needed.
Turning the knob releases gas whether or not the spark arrives. A burner that fails to light is quietly venting gas for as long as the knob stays open, so switch it off rather than leaving it while you investigate.
And if you can smell gas with every knob closed, that is not an ignition problem. Leave the range alone, ventilate the room, avoid operating electrical switches, and get the supply checked.
This modernized design comes with its own distinct set of potential failure points that differ from what would affect an older standing-pilot system, and understanding these specific points helps considerably when trying to diagnose an ignition problem. The three main components involved are the spark module itself, which generates and directs the electrical charge; the individual igniter located at each burner, which actually produces the visible spark; and the wiring that connects these components together and carries the electrical signal between them.
One consequence is worth drawing out, because it explains a whole category of call-outs: this system needs electricity. A standing pilot lights during a power cut; spark ignition does not. If no burner sparks, check the breaker and whether the range has power at all before suspecting the module — the gas supply being fine is exactly what makes people look past it.
Before deciding which part has failed, settle what is actually missing:
Only the first belongs to the diagnosis that follows. The other two get mistaken for it constantly, and they lead to entirely different parts.
A single burner that consistently fails to spark, while every other burner on the range continues lighting normally and reliably, is a pattern that points specifically toward that one burner's individual igniter rather than the shared spark module serving the entire range. This distinction is genuinely useful diagnostically, since spark modules typically serve multiple burners simultaneously, meaning a module-level failure would generally be expected to affect several burners together rather than presenting as an isolated, single-burner problem.
Corrosion developing at the electrical connection point where the igniter's wiring attaches is a fairly common underlying cause of this kind of isolated, single-burner ignition failure, and it develops slowly and gradually from ambient kitchen moisture combined with airborne grease that naturally accumulates in this area over years of regular cooking activity. This corrosion buildup typically isn't something you'd notice through casual daily use of the range, since it happens gradually behind the scenes at a connection point that isn't part of the visible burner assembly you interact with directly.
Which burner it is often explains the timing. The one you use most sees the most spills and the most heat cycling at that connection, so a single failure usually appears on the front-left workhorse rather than the back burner used at Thanksgiving.
If, instead, all burners across the entire range fail to spark simultaneously, rather than the problem being isolated to just one, this pattern shifts suspicion toward the shared spark module itself, or potentially toward the module's power supply connection, rather than pointing toward any individual igniter. This distinction between single-burner and all-burner failure patterns is genuinely one of the most useful diagnostic clues available when troubleshooting a Wolf range's ignition system, since it immediately narrows down which component category — shared versus individual — is most likely responsible.
Check power first all the same. An unpowered range and a failed module present identically from the kitchen, and only one of them costs anything.
Diagnosing an all-burner ignition failure properly is worth doing with an actual multimeter to test electrical continuity and voltage at the relevant points, rather than attempting to solve the problem through a trial-and-error process of replacing individual igniters one at a time in hopes of stumbling onto the actual faulty component. This kind of guess-and-check approach can end up costing more in unnecessary parts than a proper diagnostic assessment would have cost in the first place, since if the actual problem lies with the shared module rather than any individual igniter, replacing igniters one by one will never resolve the underlying issue no matter how many you swap out.
Check your manual before doing it — some Wolf configurations allow it and others do not, and the answer depends on your model rather than on gas ranges in general. What is universally true is that an unlit burner with the knob open is releasing gas, so do not leave it running while you look for matches.
That is not ignition either — it is the flame supervision device, the safety that holds the gas valve open only while it senses a flame. Different part, different repair, and the tell is that it lights perfectly and then dies a few seconds later.
Usually still the individual side: modules commonly serve burners in groups, so two failing together can mean one group's wiring rather than the whole module. It is a useful detail to mention when booking, because it changes what gets tested first.
The clicking itself is not. A burner that clicks without lighting is, if left, because gas keeps flowing. Turn the knob off, find out why it is not lighting, and do not leave a clicking burner unattended.
Moisture. Igniters need to be dry to spark reliably, and water sitting in the burner area after a clean is the single most common reason a Wolf stops lighting overnight. Often it resolves itself once everything dries out fully.
No clicking at all on one burner, or on every one of them? Those are different repairs and the difference decides what we bring. We repair Wolf ranges, cooktops and ovens throughout Arlington, Alexandria and the surrounding Northern Virginia communities, plus Washington, DC and Potomac, Maryland — book a diagnostic visit.
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