Weber 3500 LX owner manual Burner does not light, or flame is low in High position

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TROUBLESHOOTING

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?

mCAUTION: Do not line the bottom tray with aluminum foil.

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

Are burners clean?

Burner flame pattern is erratic. Flame is low when burner is on HIGH. Flames do not run the whole length of the burner tube.

Clean burners. (See Section "General Maintenance".)

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.

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Contents Genesis 3500 LX MDANGER MWARNINGS LP GAS Units onlyWarranty Patents and Trademarks Contents Gas supply testing General InstructionsStorage Operating areaGeneral Specifications for Piping Typical natural gas supply installation to a wood deck Recommended concrete pad requirements Assembly Check package contentsStep Page Check contents of hardware packs Continue frame assembly Assemble frameInstall side burner locks Measure and drill holesMCAUTION a minimum of 2 bolts are required on each side Method 1 Concrete Method 2 Concrete Method 3 ConcreteMethod 4 Wood deck Tighten all frame bolts Add cooking boxSpacer a bracket Frame cross piece Install igniter Connect barbecue gas supply line to the natural gas supplyInstall side burner Check all valves are offMWARNING Make sure gas supply is OFF Install manifold bracket Purge air from gas linesCheck for gas leaks MWARNING Do not ignite burners while leak checkingInstall side panels Add base panelInstall Flavorizer Bars and Cooking Grates Install the bottom trayInstall Lid Add tool holders, control panel and burner control knobsInstall the condiment basket Secure side burnerMCAUTION Make sure both locks have snapped into place Install the accessory rack Complete accessory installationLighting To ExtinguishManual Lighting Lighting the side burner Lighting only the side burner. FigurePeriodic Cleaning CookingAfter a Period of Nonuse Drippings and greaseAnnual Maintenance Inspection and Cleaning of the Weber Spider Stopper GuardsGeneral Maintenance MCAUTION Do not enlarge the burner ports when cleaningWeber Spider Stopper Guards Main Burner Flame PatternTo reinstall the burners, reverse steps c through g Crossover Ignition System Operations Burner does not light, or flame is low in High position MCAUTION Do not line the bottom tray with aluminum foilSide Burner Troubleshooting Side Burner Maintenance16, 17 18 46-50 51-52,50 Parts List Final Word of Thanks