Napoleon PTH31GT, Manual, Page: 10 / 40

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10
EN
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.
Ensure lighting procedure is followed carefully. The
valve 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.
Burners burn with yellow
flame, accompanied by the
smell of gas.
Possible spider web or other
debris.
Thoroughly clean burner venturi. See general
maintenance instructions.
Burner will not light with
the igniter, but will light
with a match.
Dead battery / or installed incor -
rectly.
Loose electrode wire or switch
terminal wires.
Improper gap at electrode tip.
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.
The gap can be adjusted by bending the tip in or out.
Until a spark is achieved.
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 torch. Humming regulators will
not be replaced.
Burner output on “high”
setting is too low. (Rum -
bling noise and flutter -
ing blue flame at burner
surface.)
Lack of gas.
Supply hose is pinched.
Dirty or clogged orifice.
Spider webs or other matter in
venturi tube.
Propane regulator in “low flow”
state.
Check gas level in propane cylinder.
Reposition supply hose as necessary.
Clean burner orifice.
Clean out venturi tube.
Ensure lighting procedure is followed carefully. All
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.
Pilot will not light.
(if equipped)
Lack of gas.
Obstruction in pilot orifice.
Dirty pilot electrode.
After turning pilot knob to high, wait approximately
20-30 seconds for air to purge the gas supply line
while pressing igniter.
Clean pilot orifice.
Clean pilot electrode.