Napoleon Grills V 450, V 600 manual Burner output on “high”

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Problem	Possible Causes	Solution
Burner output on “high”	Lack of gas.	Check gas level in propane cylinder.
setting is too low. (Rumbling
noise and fluttering blue	Supply hose is pinched.	Reposition supply hose as necessary.
flame at burner surface.)
	Dirty or clogged orifice.	Clean burner orifice.
	Spider webs or other matter in venturi	Clean out venturi tube.
	tube.
	Propane regulator in “low flow” state.	Ensure lighting procedure is followed carefully.
		All gas grill valves must be in the off position
		when the tank valve is turned on. Turn tank
		on slowly to allow pressure to equalize. See
		lighting instructions.
Infrared burner (if equipped)	Ceramic tiles overloaded with grease	Turn burner off and allow to cool for at least
flashes back (during	drippings and build-up. Ports are	two minutes. Relight burner and burn on high
operation the burner	clogged.	for at least five minutes or until the ceramic tiles
abruptly makes a loud		are evenly glowing red.
“whoosh” sound, followed by
a continuous blow-torch type
sound and grows dim.)	Burner overheated due to inadequate	Ensure that no more than 75% of the grill
	ventilation (too much grill surface	surface is covered by objects or accessories.
	covered by griddle or pan.)	Turn burner off and allow to cool for at least
		two minutes, then relight.
	Cracked ceramic tile.	Allow burner to cool and inspect very closely
		for cracks. If any cracks are found, contact
		your authorized Napoleon dealer to order a
		replacement burner assembly.
	Leaking gasket surrounding the	Contact your authorized Napoleon dealer for
	ceramic tile, or a weld failure in the	instructions on ordering a replacement burner
	burner housing.	assembly.
Pilot will not light.	Lack of gas.	After turning pilot knob to high, wait
(if equipped)		approximately 20-30 seconds for air to purge
		the gas supply line while pressing igniter. Fill
		propane cylinder. During initial set-up or after
		tank has been refilled, it is best to light one
		of the tube burners before lighting the pilot
		burner. This enables the gas to reach the valves
		on the manifold more quickly.
	Obstruction in pilot orifice.	Clean pilot orifice.
	Electrode wire loose or off.	Replace lead wire.
	Dirty pilot electrode.	Clean pilot electrode.
	Pilot is actually lit.	The pilot flame, especially on natural gas units is
		very difficult to see. Place your hand 1 in. (2.5 cm)
		above grill surface over the pilot burner to feel
		for heat.

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