Burner does not light, or flame is low in High position

Problem	Check	Cure

Burners burn with a yellow or orange flame, in conjunction with the smell of gas.

Inspect Weber Spider Stopper	Clean Weber Spider Stopper
Guards for possible obstructions.	Guards. (See Section "Annual
(Blockage of holes.)	Maintenance".)

Burner does not light, or flame is low in HIGH position.

Is natural gas supply on ?	Turn on natural gas supply.

Does the Front burner light with a	If you can light the Front
match?	burner with a match, then
	check the Crossover Ignition
	System.

Were natural gas lines purged? (Air removed)

Purge the natural gas lines. See Step “Purge air from gas lines.”

Experiencing flare-ups:	Are you preheating barbecue in the
	prescribed manner?

All burners on high for 10 to 15 minutes for preheating.

Are the cooking grates and	Clean thoroughly. (See
Flavorizer Bars heavily coated with	Section "Periodic Cleaning".)
burned-on grease?

Is the bottom tray "dirty" and not	Clean bottom tray.
allowing grease to flow into catch
pan?

Burner flame pattern is erratic. Flame is low	Are burners clean?	Clean burners. (See Section
when burner is on HIGH. Flames do not run the		"General Maintenance".)
whole length of the burner tube.

Inside of lid appears to be “peeling.” (Resembles paint peeling.)

The lid is porcelain-on-steel, not	Clean thoroughly. (See
paint. It cannot “peel.” What you are	Section "Periodic Cleaning".)
seeing is baked on grease that has
turned to carbon and is flaking off.
THIS IS NOT A DEFECT.

If problems cannot be corrected by using these methods, please contact Weber-Stephen Customer Service.