Napoleon LEGEND LD4 Series Manual page 16

16
Burner output on "high"
setting is too low.
EN
(Rumbling noise and
fluttering blue flame at
burner surface.)
Infrared burner (if
equipped) flashes back
(during operation the
burner abruptly makes
a loud "whoosh" sound,
followed by a continuous
blow-torch type sound
and grows dim.)
www.napoleon.com
Lack of gas.
Supply hose is pinched.
Dirty or clogged orifice.
Spider webs or other matter in venturi
tube.
Propane regulator in "low flow" state.
Ceramic tiles overloaded with grease
drippings and build-up. Ports are
clogged.
Burner overheated due to inadequate
ventilation (too much grill surface
covered by griddle or pan.)
Cracked ceramic tile.
Leaking gasket surrounding the ceramic
tile, or a weld failure in the burner
housing.
Check gas level in propane cylinder.
Reposition supply hose as necessary.
Clean burner orifice.
Clean out venturi tube.
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.
Turn burner off and allow to cool for at least two
minutes. Relight burner and burn on high for at
least five minutes or until the ceramic tiles are
evenly glowing red.
Ensure that no more than 75% of the grill surface
is covered by objects or accessories. Turn burner
off and allow to cool for at least two minutes, then
relight.
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.
Contact your authorized Napoleon dealer for
instructions on ordering a replacement burner
assembly.
N415-0514 APR 20.20