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28
SYMPTOM
Pilot
goes
out
while
standing;
Main burner is in
'OFF' position.
Flames are con-
sistently too large
or
too
small.
Carboning occurs.
Flames are very
aggressive.
Venting action is too great.
Main burner flame
Blockage in vent.
is a blue, lazy,
transparent flame.
Carbon is being
deposited
on
glass, logs or com-
bustion chamber
surfaces.
White / grey film
forms.
Remote
wall
Wall switch is mounted up-
switch is in "OFF"
side down
position;
main
Remote wall switch is
burner comes on
grounding.
when gas knob is
Remote wall switch wire is
turned to "ON" po-
grounding.
sition.
Faulty valve.
W415-0381 / C / 05.13.04
PROBLEM
Gas piping is undersized.
Unit is over-fired or under-
fired.
A
B
Door is ajar
Incorrect installation.
Air shutter has become
blocked
Flame is impinging on the
logs or combustion cham-
ber.
Sulphur from fuel is being
deposited on glass, logs or
combustion chamber sur-
faces.
TEST SOLUTION
- turn on all gas appliances and see if pilot flame flutters, dimin-
ishes or extinguishes, especially when main burner ignites. Monitor
appliance supply working pressure.
- check if supply piping size is to code. Correct all undersized piping.
- check pressure readings:
Inlet pressure can be checked by turning screw (A) counter-clock-
wise 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" (11" minimum) 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 OVERTORQUE.
Leak test with a soap and water solution.
- fit door assembly into the lower support brackets and secure the
four door latches.
-restrict vent exit with restrictor plate, W080-0454.
- remove blockage. In extremely cold conditions, ice buildup may
occur on the terminal and should be removed as required.
- refer to Figure 23 to ensure correct location of storm collars.
- 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 5" and 8" vent liners are free of holes and well
sealed at all joints.
- check that minimum rise per foor 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.
- reverse.
- replace.
- check for ground (short); repair ground or replace wire.
- replace.
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