20306748
51
MLDV Series Gas Fireplace
TROUBLESHOOTING
STANDING PILOT IGNITION MILLIVOLT SYSTEM
SYMPTOM
POSSIBLE CAUSE
ACTION
5. The pilot and main burner
extinguish while in opera-
tion
A. Inner vent pipe leaking
exhaust gases back into
system
B. Horizontal vent improp-
erly pitched
C. Improper vent cap
installation
A. Check for
fl
ue product leak. Replace defective pipe
section.
B. Check horizontal-venting piping is running upward
1/4" per foot. Do not run the pipe level or downward.
C. Check for proper installation and freedom from
debris or blockage.
6. 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.
7. Flame burn blue and lifts
off burner (ghosting)
A. Insuf
fi
cient 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.