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34 Heatilator • GB4336/GB4992 • 4003-085 Rev H • 04/06
Symptom Possible Causes Corrective Actions
4. Frequent pilot outage
problem.
A. Pilot fl ame may be too
high, too low, or blowing
(high), causing pilot safety
to drop out.
Clean and adjust the pilot fl ame for maximum fl ame impingement on
thermocouple. Follow lighting instructions carefully.
5. The pilot and main
burner extinguish while in
operation.
A. No LP in the tank. Check the LP (propane) tank. Refi ll the fuel tank.
B. Inner vent pipe is leaking
exhaust gases back into
the system.
Check venting system for damage. Replace/repair improperly assembled
pipe sections.
C. Glass is too loose and
air tight packet leaks in
corners after usage.
Replace glass panel assembly.
D. Bad thermopile or
thermocouple.
Replace if necessary.
E. Improper vent cap
installation.
Check for proper installation and freedom from debris or blockage.
6. Glass soots. A. Flame impingement. Adjust the log set so that the fl ame does not excessively impinge on it.
B. Improper air shutter
setting.
Adjust the air shutter located on the control panel.
C. Debris around air shutter. Inspect the opening at the base of the burner. NO MATERIAL SHOULD BE
PLACED IN THIS OPENING.
7. Flame burns blue and lifts
off burner.
A. Insuffi cient oxygen being
supplied.
Ensure that the vent cap is installed properly and free of debris.
Ensure that the vent system joints are tight and have no leaks.
Ensure that no debris has been placed at the base of, or in the area of the
air holes in the center of, the base pan beneath the burner.
Ensure that the glass is tightened properly on the appliance, particularly on
top corners.