Gas Burner Won't Ignite
When a gas burner clicks but won't light, or doesn't click at all, several issues could be responsible.
Common Symptoms
You may be experiencing one or more of these issues:
- Clicking but no flame
- No clicking at all
- Delayed ignition
- Flame lights then goes out
- Only some burners won't light
- Clicking continues after flame lights
- Weak or uneven flame
Possible Causes
Wet Igniter
commonMoisture from cleaning prevents proper sparking.
Clogged Burner Ports
commonFood debris blocks gas flow through the burner head.
Misaligned Burner Cap
commonThe burner cap isn't seated properly, preventing even gas distribution.
Igniter Failure
moderateThe spark igniter has worn out or been damaged.
Gas Valve Problem
moderateThe valve controlling gas flow to the burner isn't opening.
Control Module Issue
rareThe electronic control that times the spark has failed.
DIY Troubleshooting Steps
- 1
Dry the Igniter
If recently cleaned, wait for the igniter to dry completely, or use a hair dryer on cool/low setting.
Never use high heat near gas components. - 2
Check Burner Cap Alignment
Remove the burner cap and reseat it carefully. It should sit flat and level.
- 3
Clean Burner Ports
Use a straight pin or needle to clear each burner port. Never use a toothpick as it can break off inside.
Be gentle - don't enlarge the ports. - 4
Clean the Igniter
Gently clean the igniter electrode with a soft brush. Remove any grease or debris.
Don't bend or damage the igniter. - 5
Test Other Burners
If one burner lights, use it to light the problem burner. This rules out gas supply issues.
Be careful when lighting manually.
When to Call a Professional
Contact a repair service if you experience any of these situations:
- You smell gas but burner won't light
- None of the burners will light
- Clicking continues indefinitely
- Burner lights then immediately goes out repeatedly
- You see damage to igniter or wiring
- Gas valve appears to be stuck
Ready to schedule professional repair?
Prevention Tips
- Clean burners regularly with mild soap and water
- Ensure burners are dry before using after cleaning
- Don't use foil that might block ports
- Have annual professional inspection
- Check igniters periodically for buildup
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