36
W415-0210 / R / 02.27.08
SYMPTOM PROBLEM TEST SOLUTION
Remote wall switch
is in "OFF" position;
main burner comes
on when gas knob
is turned to "ON"
position.
Wall switch is mounted up-
side down
- reverse.
Faulty valve.
- replace.
- replace.Remote wall switch is ground-
ing.
- check for ground (short); repair ground or replace wire.Remote wall switch wire is
grounding.
White / grey film
forms.
Sulphur from fuel is being
deposited on glass, logs or
combustion chamber sur-
faces.
- clean the glass with a recommended gas fi replace glass cleaner.
DO NOT CLEAN GLASS WHEN HOT.
If deposits are not cleaned off regularly, the glass may become per-
manently marked.
Main burner fl ame
is a blue, lazy,
transparent fl ame.
Blockage in vent. - remove blockage. In really cold conditions, ice buildup may occur on
the terminal and should be removed as required.
- refer to Figure 31 to ensure correct location of storm collars.
Incorrect installation.
Carbon is being de-
posited on glass,
logs or combustion
chamber surfaces.
Flame is impinging on the
logs or combustion cham-
ber.
- check that the logs are correctly positioned.
- open air shutter to increase the primary air.
- check the input rate: check the manifold pressure and orifi ce size as
specifi ed by the rating plate values.
- check that the door gasketing is not broken or missing and that the
seal is tight.
- check that both 4" and 7" vent liners are free of holes and well sealed
at all joints.
- check that minimum rise per foot has been adhered to for any hori-
zontal venting.
Air shutter has become
blocked
- ensure air shutter opening is free of lint or other obstructions.
Pilot goes out while
standing; Main
burner is in 'OFF'
position.
Gas piping is undersized. - turn on all gas appliances and see if pilot fl ame fl utters, diminishes or
extinguishes, especially when main burner ignites. Monitor appliance
supply working pressure.
- check if supply piping size is to code. Correct all undersized piping.
Flames are consist-
ently too large or
too small. Carbon-
ing occurs.
- 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" (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.
Unit is over-fi red or under-
fi red.
Exhaust fumes
smelled in room,
headaches.
Fireplace is spilling. - ensure exhaust bracket gasket seal
- check door seal and relief fl ap seal.
- check for chimney blockage
- check that chimney is installed to building code.
- room is in negative pressure; increase fresh air supply.
- check 7"ø cap gasket on the fl ue pipe assembly.
- Restrict vent exit. See "RESTRICTING VERTICAL VENTS".
- VENT HEIGHT MORE THAN 15 FEET: restrict vent exit using restric-
tor plate kit RP-KT
MODEL GD36 ONLY:
Aggressive venting action
due to vent height.
Flames are very
aggressive.
- tighten screws holding door in place
Door is ajar
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