A burner that clicks but will not light usually has an ignition problem: a worn spark igniter, a failing spark module, or a burner cap that is wet, dirty, or misaligned. If there is no clicking at all, the switch or the igniter wiring is the likely cause. Gas flow and orifice cleanliness matter too.
What to Check First
A few quick checks are safe to try before booking a technician:
- Make sure the burner cap is dry, clean, and seated correctly.
- Confirm the gas supply is on to the appliance.
- Clean any food debris from the igniter port.
- Check whether other burners light normally.
IF You Smell Gas
Do not try to light the burner. Turn off the gas, leave the home, and contact your gas utility first. Once it is safe, we can diagnose the ignition system.
Likely Causes and Fixes
| Symptom | Likely Cause | What the Fix Involves |
|---|---|---|
Clicks, no flame | Worn igniter or wet cap | Replace the igniter; dry and reseat the cap |
No click at all | Switch or module fault | Test and replace the switch or spark module |
Weak flame | Fouled orifice or low gas | Clean the burner and verify gas flow |
Notes by Brand
The failure looks a little different across the brands we service. Here is what we check on each:
| Brand | What We Look At |
|---|---|
| Wolf | Spark igniters, igniter switches, and sealed burner caps. |
| Thermador | Star burner igniters and the spark module. |
| Viking | VariSimmer burners and igniter alignment. |
| La Cornue | Hand-built burners; we clean and align and replace OEM igniters. |
| Monogram | GE spark modules and igniter switches. |
| Bosch | Cooktop igniters and burner cap seating. |
Have a Sub-Zero or Wolf That Needs Attention?
Book online and a brand-focused technician will diagnose it. Diagnostic and travel fees, if applicable, are confirmed before the appointment and before repair approval.
When to Call a Technician
If cleaning and reseating the cap does not restore ignition, the igniter, switch, or spark module needs replacement. Book a repair with genuine OEM parts.