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W415-0788 / A / 09.22.09
Main burner and
pilot cycles on
and off.
GS600 ONLY
Venting is spilling. - Test with spill switch bypassed. Replace if defective.
- Check for vent blockage.
GDS600 ONLY
GDS600 ONLY
42.7_3
SYMPTOM PROBLEM TEST SOLUTION
White / grey fi lm
forms.
Sulphur from fuel is being
deposited on glass, logs or
combustion chamber
surfaces.
- Clean the glass with a recommended gas appliance
glass cleaner. DO NOT CLEAN GLASS WHEN
HOT.
- If deposits are not cleaned off regularly, the glass
may become permanently marked.
Flames are very
aggressive.
Door is ajar. - Tighten door clamps.
Venting action is too great. - Restrict vent exit with restrictor plate. See
“RESTRICTING VENTS” section.
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.
Compromised venting. - Check venting system parameters (seal, length,
rise, etc.).
GLASS EMBERS ONLY:
Too many glass embers.
- Re-distribute glass embers so that only a single
layer is over top of the burner tube.
Main burner goes
out: pilot goes out.
Vent recirculation. - Check joint seals and installation.