Troubleshooting - Napoleon TQ285 Manual

Troubleshooting

Problem Possible Causes
Low heat / Low flame Blockage of gas.
when valve turned to
high. Improper preheating.
Excessive flare-ups/ Improper preheating.
uneven heat.
Excessive grease and ash build up
in drip pan.
Burners burn with Possible spider web or other
yellow flame, debris, or improper air shutter
accompanied by the adjustment.
smell of gas.
Flames lift away from Improper air shutter adjustment.
burner, accompanied
by the smell of gas, and
possibly difficulties in
lighting.
Burner will not light Jet-fire outlet is dirty or clogged.
with the igniter, but will
light with a match.
Humming regulator. Normal occurrence on hot days.
"Paint" appears to be Grease build-up on inside surfaces. This is not a defect. The peeling is caused by
peeling inside lid or
hood.
Burner output on Lack of gas.
"high" setting is
too low. (Rumbling Supply hose is pinched.
noise and fluttering
blue flame at burner Dirty or clogged orifice.
surface.)
Spider webs or other matter in
venturi tube.
Solution
Check for spider webs in the burner or orifice.
Preheat grill with main burners on high for 5 to 10
minutes.
Preheat grill with both main burners on high for 5 to
10 minutes.
Clean 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.)
Clean jet-fire outlet with a soft bristle brush.
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.
hardened grease, which dries into paint-like shards
that flake off. Regular cleaning will prevent this. See
cleaning instructions.
Check gas level in propane cylinder.
Reposition supply hose as necessary.
Clean burner orifice.
Clean out venturi tube.
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