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W415-0327 / B / 12.07.07
27
SYMPTOM PROBLEM TEST SOLUTION
Flames are consist-
ently too large or too
small. Carboning oc-
curs.
- 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 CLOCK-
WISE FIRMLY TO RESEAL. DO NOT OVERTORQUE.
Leak test with a soap and water solution.
Unit is over-fi red or under-fi red.
White / grey film
forms.
Sulphur from fuel is being depos-
ited on glass, logs or combustion
chamber surfaces.
- 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 permanently
marked.
Main burner fl ame is
a blue, lazy, transpar-
ent 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 23 to ensure correct location of storm collars.
Incorrect installation.
- 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 5" and 8" 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.
Carbon is being de-
posited on glass, logs
or combustion cham-
ber surfaces.
Flame is impinging on the logs
or combustion chamber.
Air shutter has become blocked
- ensure air shutter opening is free of lint or other obstructions.
Remote wall switch is
in "OFF" position; main
burner comes on when
gas knob is turned to
"ON" position.
Wall switch is mounted upside
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.
Flames are very ag-
gressive.
- fi t door assembly into the lower support brackets and secure the four door
latches.
Door is ajar
Venting action is too great. -restrict vent exit with restrictor plate, W500-0205.