Desa Comfort Glow CGCF26TN Owner's Operation And Installation Manual page 26

OBSERVED POSSIBLE
PROBLEM CAUSE REMEDY
m
TROUBLE-
SHOOTING
Continued
Burner does not light
after ODS/pilot is lit
1. Burner orifice is
clogged
2. Bumer orifice diameter
is too small
3. Inlet gas pressure is
too low
1. Clean burner (see
Cleaning and Mainte-
nance, page 24) or
replace burner orifice
2. Replace burner orifice
3. Contact local natural gas
company
Delayed ignition of
burner
1. Manifold pressure is
too low
2. Burner orifice is
clogged
1. Contact local natural gas
company
2. Clean burner (see
Cleaning and Mainte-
nance, page 24) or
replace burner orifice
Burner backfiring
during combustion
1. Burner orifice is
clogged or damaged
2. Burner damaged 2.
3. Low inlet gas pressure 3.
4. Gas regulator defective 4.
1. Clean burner (see
Cleaning and Mainte-
nance, page 24) or
replace burner orifice
Replace burner pressure
Contact local natural gas
company
Replace gas regulator
Yellow flame during
burner combustion
1. Not enough air
1. Check burner for dirt
and debris. If found,
clean burner (see
Cleaning and Mainte-
nance, page 24)
2. Gas regulator defective 2. Replace gas regulator
Slight smoke or odor 1. Residues from manu- 1. Problem will stop after a
during initial operation facturing processes few hours of operation
Fireplace produces a
whistling noise when
burner is lit
1. Turning control knob
to HI position when
burner is cold
2. Air in gas line
3. Air passageways on
fireplace blocked
4. Dirty or partially
clogged burner orifice
1. Turn control knob to LO
position and let warm up
for a minute
2. Operate burner until air
is removed from line.
Have gas line checked
by local natural gas
company
3. Observe minimum
installation clearances
(see Figure 6 and 7,
page t 1)
4. Clean burner (see
Cleaning and Mainte-
nance, page 24) or
replace burner orifice