Comfort Glow CG3324NTA Owner's Operation And Installation Manual page 28

TROUBLE-
SHOOTING
Continued
28
OBSERVED POSSIBLE
PROBLEM CAUSE
One or both burners 1. Burner orifice(s)
do not light after
ODS/pilot is lit
2. Inlet gas pressure is
3. Mislocated crossover
4. Burner orifice(s)
Delayed ignition of 1. Manifold pressure is
one or both burners
2. Burner orifice(s)
3. Mislocated crossover
Burner backfiring 1. Burner orifice is
during combustion
2. Damaged burner
3. Gas regulator defective
Yellow flame in 1. Not enough air
front burner during
burner combustion
2. Gas regulator defective
Slight smoke or 1. Residues from manu-
odor during initial
operation
Moisture/condensa- 1. Not enough combus-
tion noticed on
windows
Heater produces a 1. Turning control knob
whistling noise
when burners are lit
2. Air in gas line
3. Air passageways on
4. Dirty or partially
clogged
too low
tube
diameter is too small
too low
clogged
tube
clogged or damaged
facturing processes
and logs curing
tion/ventilation air
to HI position when
burners are cold
heater blocked
clogged burner
orifice(s)
REMEDY
1. Clean burner(s) (see
Cleaning and Mainte-
nance, page 26) or
replace burner orifice(s)
2. Contact local natural gas
company
3. Contact qualified service
person
4. Replace burner orifice(s)
1. Contact local natural gas
company
2. Clean burner(s) (see
Cleaning and Mainte-
nance, page 26) or
replace burner orifice(s)
3. Contact qualified service
person
1. Clean burner (see
Cleaning and Mainte-
nance, page 26) or
replace burner orifice
2. Replace damaged burner
3. Replace gas regulator
1. Check burner(s) for dirt
and debris. If found,
clean burner(s) (see
Cleaning and Mainte-
nance, page 26)
2. Replace gas regulator
1. Problem will stop after a
few hours of operation
1. Refer to Air for Com-
bustion and Ventilation
requirements (page 5)
1. Turn control knob to LO
position and let warm up
for a minute
2. Operate burners until air
is removed from line.
Have gas line checked
by local natural gas
company
3. Observe minimum
installation clearances
(see pages 9-12)
4. Clean burners (see
Cleaning and Maintenance,
page 26) or replace
burner orifice(s)
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