Napoleon Grills PRESTIGE II 450 - Manuel (Page 12)

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Troubleshooting
Problem Possible Causes Solution
Low heat / Low flame
when valve turned to high. For propane - improper lighting procedure.
For natural gas - undersized supply line.
For both gases - improper preheating.
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.
Pipe must be sized according to installation
code.
Preheat grill with both main burners on high
for 10 to 15 minutes.
Excessive flare-ups/
uneven heat. Sear plates installed incorrectly.
Improper preheating.
Excessive grease and ash build on sear
plates and in drip pan.
Ensure sear plates are installed with the holes
towards the front and the slots on the bottom.
See assembly instructions.
Preheat grill with both main burners on high
for 10 to 15 minutes.
Clean sear plates and drip pan regularly. Do
not line pan with aluminum foil. Refer to
cleaning instructions.
Burners burn with yellow
flame, accompanied by
the smell of gas. Possible spider web or other debris, or
improper air shutter adjustment. Thoroughly clean burner by removing. See
general maintenance instructions. Open air
shutter slightly according to combustion air
adjustment instructions. (This must be done
by a qualified gas installer.)
Flames lift away from
burner, accompanied
by the smell of gas, and
possibly difficulties in
lighting. Improper air shutter adjustment. Close air shutter slightly according to
combustion air adjustment instructions. (This
must be done by a qualified gas installer.)
Burner will not light with
the igniter, but will light
with a match. Dead battery / or installed incorrectly.
Loose electrode wire or switch terminal
wires.
Wrong replacement igniter.
Improper gap at electrode tip.
Lifting flames on burner.
Replace with heavy duty battery.
Check that electrode wire is firmly pushed
onto the terminal on the back of the igniter.
Check that the lead wires from the module
to the ignition switch (if equipped) are firmly
pushed onto their respective terminals.
One spark systems must use a one spark
igniter.
Ensure that the collector box is tight and
the gap between the electrode end and the
collector box is between 1/8” - 3/16” (3mm-
5mm).
The gap can be adjusted by bending
the box in or out.
Close air shutter slightly - see previous
problem.
Humming regulator. Normal occurrence on hot days. This is not a defect. It is caused by internal
vibrations in the regulator and does not affect
the performance or safety of the gas grill.
Humming regulators will not be replaced.