Napoleon Ultra Chef U405 Manuel D'instructions page 10

10
WARNING!
important that the valve/orifice enters the burner tube before lighting your
gas grill. If the valve is not inside the burner tube a fire or explosion could
occur.
WARNING!
exist, do not use the gas grill. Have the part replaced by your Ultra Chef Gas Grill dealer or qualified gas
installer.
Aluminum Castings: Clean castings periodically with warm soapy water. Aluminum will not rust, but high
temperatures and weathering can cause oxidation to occur on aluminum surfaces. This appears as white spots
on the castings. To refinish these areas, clean first and sand lightly with fine sandpaper. Wipe the surface to
remove any residue and paint with high temperature barbecue paint. Protect surrounding areas from over-spray.
Follow the manufacture's directions for curing.
Problem
Low heat / Low flame when valve
turned to high.
Excessive flare-ups/uneven heat.
Burners burn with yellow flame,
accompanied by the smell of gas.
Flames lift away from burner,
accompanied by the smell of
gas, and possibly difficulties in
lighting.
Burner will not light with the
igniter, but will light with a
match.
www.ultrachefgrills.com
When reinstalling the burner after cleaning it is very
Hose: Check for abrasions, melting, cuts, and cracks in the hose. If any of these conditions
Troubleshooting
Possible Causes
For propane - improper lighting
procedure.
For natural gas - undersized supply
line.
For both gases - improper
preheating.
Sear plates installed incorrectly.
Improper preheating.
Excessive grease and ash build on
sear plates and in drip pan.
Possible spider web or other
debris, or improper air shutter
adjustment.
Improper air shutter adjustment.
Dead battery / or installed
incorrectly.
Loose electrode wire or switch
terminal wires.
Wrong replacement igniter.
Improper gap at electrode tip.
Lifting flames on burner.
Solution
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.
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.
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.)
Close air shutter slightly according to combustion air
adjustment instructions. (This must be done by a qualified gas
installer.)
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.