Troubleshooting - Napoleon LEX 485 User Manual

Infrared Burners: Because of the high intensity of the infrared burner, most drippings and food particles
that fall onto the burner surface are immediately incinerated. However, some debris and residue may
remain. To remove this residue after cooking, operate the grill on high for 5-10 minutes. Do not clean the
ceramic tile with a wire brush.
Protection Of Infrared Burners: The infrared burners of your grill are designed to provide a long service
life, though care must taken to prevent cracking of their ceramic surfaces. Fractures will cause the burners
to malfunction. The following provides a few of the causes of cracks and the steps you can take to avoid
them. Damage caused by failure to follow these steps is not covered by your grill warranty.
1. Impact with hard objects - Never allow hard objects to strike the ceramic. Take care when inserting or
removing cooking grates and accessories into or from the grill.
2. Contact with water or other liquids - Cold liquids contacting the hot ceramic surfaces can cause them
to break. Never throw water into the grill to douse a flame. If the ceramic or interior of a burner becomes
wet while not in use, later operation of the burner can create steam, which can produce sufficient
pressure to crack the ceramic. Repeated soaking of the ceramic can also cause it to swell and expand. This
expansion causes undue pressure on the ceramic that can cause it to crack and crumble.
i) Never throw water into the grill to control flare-ups.
ii) Do not attempt to operate the infrared burners in open air while raining.
iii) If you find standing water in your grill (because of exposure to rainfall, sprinklers, etc.), inspect
the ceramic for evidence of possible watersoaking. If the ceramic appears to be wet, remove
the burner from the grill. Turn it upside down to drain the excess water and bring indoors to dry
thoroughly.
3. Impaired ventilation of hot air from the grill - For the burners to function properly, hot air must have a
way to escape the grill. If the hot air is not allowed to escape, the burners can become deprived of oxygen
causing them to back-flash. If this occurs repeatedly, the ceramic could crack. Never cover more than 75%
of the cooking surface with solid metal (i.e., griddle or large pan).
4. Incorrect cleaning - Do not clean the ceramic tile with a wire brush. If debris is collecting on your
burner, light the burner and operate on high for 5 minutes with the lid open, allowing debris to burn off.

Troubleshooting

Problem Possible Causes
Low heat / Low flame For Universal Liquefied Petroleum Gas -
when valve turned to improper lighting procedure.
high.
For natural gas - undersized supply line.
For both gases - improper preheating.
Excessive flare-ups/ Sear plates installed incorrectly.
uneven heat.
Improper preheating.
Excessive grease and ash build on sear
plates and in drip pan.
Burners burn with Possible spider web or other debris, or
yellow flame, improper air shutter adjustment.
accompanied by the
smell of gas.
Flames lift away from Improper air shutter adjustment.
burner, accompanied
by the smell of gas, and
possibly difficulties in
lighting.
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.)
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