12

Troubleshooting

Problem

Possible Causes

Solution

 

 

 

Low heat / Low flame

For propane - improper lighting procedure.

Ensure lighting procedure is followed carefully.

when valve turned to high.

 

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.

 

For natural gas - undersized supply line.

Pipe must be sized according to installation

 

 

code.

 

For both gases - improper preheating.

Preheat grill with both main burners on high

 

 

for 10 to 15 minutes.

 

 

 

Excessive flare-ups/

Sear plates installed incorrectly.

Ensure sear plates are installed with the holes

uneven heat.

 

towards the front and the slots on the bottom.

 

 

See assembly instructions.

 

Improper preheating.

Preheat grill with both main burners on high

 

 

for 10 to 15 minutes.

 

Excessive grease and ash build on sear

Clean sear plates and drip pan regularly. Do

 

plates and in drip pan.

not line pan with aluminum foil. Refer to

 

 

cleaning instructions.

 

 

 

Burners burn with yellow

Possible spider web or other debris, or

Thoroughly clean burner by removing. See

flame, accompanied by

improper air shutter adjustment.

general maintenance instructions. Open air

the smell of gas.

 

shutter slightly according to combustion air

 

 

adjustment instructions. (This must be done

 

 

by a qualified gas installer.)

 

 

 

Flames lift away from

Improper air shutter adjustment.

Close air shutter slightly according to

burner, accompanied

 

combustion air adjustment instructions. (This

by the smell of gas, and

 

must be done by a qualified gas installer.)

possibly difficulties in

 

 

lighting.

 

 

 

 

 

Burner will not light with

Dead battery / or installed incorrectly.

Replace with heavy duty battery.

the igniter, but will light

 

 

with a match.

 

 

 

Loose electrode wire or switch terminal

Check that electrode wire is firmly pushed

 

wires.

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.

 

Wrong replacement igniter.

One spark systems must use a one spark

 

 

igniter.

 

Improper gap at electrode tip.

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.

 

Lifting flames on burner.

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.

 

 

 

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Napoleon Grills PRESTIGE II 450, N415-0201 manual Troubleshooting, Problem Possible Causes Solution