Trouble Shooting - Napoleon LHD50N Installation And Operating Instructions Manual

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14.0

TROUBLE SHOOTING

Always light the pilot whether for the first time or if the gas supply has ran out, with the glass door
B
EFORE ATTEMPTING TO TROUBLESHOOT
SYMPTOM
Remote controls
Crystalite / Night
light but no spark or
flame.
Main burner
flame is a blue,
lazy, transparent
flame.
Flames are
consistently too
large or too
small. Carboning
occurs.
B
Carbon is being
deposited on
glass, logs or
combustion
chamber
surfaces.
White / grey film
forms.
W415-0745 / 02.16.09
,
PURGE YOUR UNIT AND INITIALLY LIGHT THE PILOT AND THE MAIN BURNER WITH THE GLASS DOOR OPEN
PROBLEM
Remote is locked out.
Blockage in vent.
Incorrect installation.
Unit is over-fired or
underfired.
A
Air shutter has become
blocked.
Flame is impinging on the
logs or combustion
chamber.
Sulphur from fuel is being
deposited on glass, logs
or combustion chamber
surfaces.
WARNING
!
open or removed.
- Reset by turning power source off then on.
- Remove blockage. In really cold conditions, ice buildup
may occur on the terminal and should be removed as
required.
- Refer to "VENTING" section to ensure correct location of
storm collars.
- Check pressure readings:
Inlet pressure can be checked by turning screw (A)
counter-clockwise 2 or 3 turns and then placing
pressure gauge tubing over the test point. Gauge should
read 7" (minimum 4.5") water column for natural gas or
13" (minimum 11") water column for propane. Check
that main burner is operating on 'HI'. Outlet pressure
can be checked the same as above using screw (B).
Gauge should read 3.5" water column for natural gas or
10" water column for propane.
Check that main burner is operating on 'HI'. AFTER
TAKING PRESSURE READINGS, BE SURE TO TURN
SCREWS CLOCKWISE FIRMLY TO RESEAL. DO
NOT OVER TORQUE.
Leak test with a soap and water solution.
- Ensure air shutter opening is free of lint or other
obstructions.
- Check that the logs are correctly positioned.
- Open air shutter to increase the primary air.
- Check the input rate: check the manifold pressure and
orifice size as specified by the rating plate values.
- Check that the door gasketing is not broken or missing
and that the seal is tight.
- Check that both vent liners are free of holes and well
sealed at all joints.
- Check that minimum rise per foot has been adhered to
for any horizontal venting.
- Clean the glass with a recommended gas fireplace
glass cleaner. DO NOT CLEAN GLASS WHEN HOT.
- If deposits are not cleaned off regularly, the glass may
become permanently marked.
TEST SOLUTION
42.1
.