46
20306747
DVM Series Direct Vent Gas Fireplace
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
ACTION
1. Frequent pilot outage
problem.
A. Pilot flame may be too
high or too low, caus-
ing pilot safety to drop
out
A. Clean and adjust the pilot flame for maximum flame
impingement on thermocouple.
2. The pilot and main
burner extinguish while
in operation
A. Inner vent pipe leaking
exhaust gases back into
system
A. Check for flue product leak. Replace defective pipe
section
B. Horizontal vent improp
-
erly pitched
B. Check horizontal-venting piping is running upward
1/4" per foot. Do not run the pipe level or downward.
C. Improper vent cap
installation
C. Check for proper installation and freedom from
debris or blockage.
3. Glass Soots
A. Flame impingement on
logs
A. Install log set per the instructions
Inspect the injector and air intake area. Make sure this
area does not have any blockage from debris and
clean. Check gas supply.
4. Flame burn blue and lifts
off burner (ghosting)
A. Insufficient oxygen being
supplied
A. 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 blocking the inner air intake at the bottom back
of the combustion chamber. Ensure that the glass is
properly secure and latch.
GENERAL TROUBLESHOOTING
