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SYMPTOM
V.
The pilot and main burner ex-
tinguish while in operation.
VI. Glass soots.
VII. Flame burns blue and lifts off
burner.
POSSIBLE CAUSE
A. No L.P. in tank.
B. Inner flue pipe leaking exhaust
gases back into system.
C. Glass too loose and air tight,
gasket leaks in corners after
usage.
D. Horizontal flue improperly
pitched.
E. Bad thermopile or thermocouple.
F. Improper flue cap installation.
A. Flame impingement on logs.
B. Improper venturi setting.
C. Debris around venturi.
A. Insufficient oxygen being supplied
Heat & Glo • ATS-AU-D • 327-900 Rev. D • 2/06
CORRECTIVE ACTION
1. Check L.P. (Propane) tank. Re-
fill fuel tank.
1. Check for leaks.
1. Be certain glass assembly is in-
stalled correctly and tighten cor-
ner.
1. The horizontal flue cap should
slope down only enough to pre-
vent any water from entering the
unit. The maximum downward
slope is 1/4 inch.
1. Replace if necessary.
1. Check for proper installation and
freedom from debris or block-
age.
1. Adjust the log set so that the
flame does not excessively im-
pinge on it.
1. Adjust the air shutter at the base
of the burner.
1. Inspect the opening at the base
of the burner. It is imperative that
NO material be placed in this
opening.
1. Check to make sure flue cap is
installed properly and free of debris.
Make sure that flue system joints
are tight and have no leaks.
2. Check to make sure that no material
has been placed at the burner base.
3. Be sure glass is tightened properly
on unit, particularly on top corners.
23
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