How to Fix a Gas Stove Not Lighting
A gas stove that won't light is one of the most common kitchen appliance problems in Australian homes. In most cases, the fix is simple and doesn't require a technician. This guide walks you through the most common causes of a gas stove not lighting and how to fix each one.
Important Safety Note
Before troubleshooting your gas stove, make sure you can smell gas when you turn the knob. If you can't smell gas at all, the issue may be with your gas supply — check whether other gas appliances in your home are working. If you smell gas but cannot locate the source, leave the building immediately and call your gas supplier. Never attempt to repair gas lines yourself.
Common Causes of a Gas Stove Not Lighting
1. Food Debris Blocking the Burner
This is the most common cause. Food spills, grease and boil-overs can clog the small holes in the burner cap, preventing gas from flowing through. When the holes are blocked, gas cannot reach the igniter spark, so the stove either won't light at all or will light on only part of the burner ring.
Fix: Remove the burner cap and soak it in warm soapy water for 10–15 minutes. Use a toothpick or pin to clear any blocked holes. Dry thoroughly before replacing. Never use a toothpick or metal skewer to enlarge the holes — this will permanently damage the burner.
2. Wet Burner Cap After Cleaning
If you've recently cleaned your stovetop, moisture left on or in the burner can prevent ignition.
Fix: Remove the burner cap and dry it completely with a cloth. If the igniter itself is wet, leave the stovetop in a warm, well-ventilated room for 30 minutes before trying again. You can also use a hairdryer on a low setting to dry the igniter area — keep it at a distance and don't apply heat directly.
3. Misaligned Burner Cap
After removing and replacing burner caps for cleaning, it's easy to put them back slightly off-centre. A misaligned burner cap prevents the gas ports from aligning with the igniter.
Fix: Remove the burner cap and replace it carefully, ensuring it sits flat and centred over the burner base. The cap should not rock or tilt.
4. Dirty or Damaged Igniter
The white ceramic igniter tip is what creates the spark to light the gas. Food residue on the igniter tip can prevent sparking.
Fix: Turn off the gas supply and allow the stove to cool. Gently clean the ceramic igniter tip with a dry toothbrush. If the igniter tip is cracked, chipped or black, it may need replacing by a technician.
5. Faulty Igniter Electrode or Wiring
If you hear no clicking sound when you turn the knob, the igniter module or its wiring may have failed.
Fix: This requires a technician. Do not attempt to access wiring inside the stovetop yourself.
6. Gas Supply Issue
If multiple burners won't light and other gas appliances in your home are also not working, the problem is with your gas supply rather than the stove.
Fix: Check your gas meter and contact your gas supplier.
When to Call a Technician
- If you've cleaned the burners and igniter but the stove still won't light
- If there's no clicking sound when you try to ignite
- If the igniter sparks but doesn't light even with clean burners and dry conditions
- If you smell gas but cannot identify the source
- If burner flames are yellow or orange instead of blue (indicates incorrect gas mixture)
Is It Time for a New Cooktop?
If your gas cooktop is more than 10 years old and experiencing repeated ignition failures, it may be more cost-effective to replace it. Oceania Appliances stocks a wide range of gas cooktops from Westinghouse, Electrolux, Hisense and more, with delivery across all of greater Sydney.
- Showroom: 2/14 Centre Place, Wetherill Park NSW 2164
- Phone / WhatsApp: 0422 489 492
- Email: support@oceaniaappliances.com.au