Desa FPVF33PR - Manual (Page 30)

30
103280
TROUBLE-
SHOOTING
Continued
OBSERVED
PROBLEM
One or both burners do
not light after ODS/
pilot is lit
Delayed ignition of
one or both burners
Burner backfiring
during combustion
Yellow flame in front
burner during burner
combustion
Slight smoke or odor
during initial operation
Fireplace produces a
whistling noise when
burners are lit
Moisture/condensation
noticed on windows
REMEDY
1. Clean burner(s) (see
Cleaning and Mainte-
nance, page 28) or replace
burner orifice(s)
2. Replace burner orifice(s)
3. Contact local propane
gas/LP company
4. Contact qualified service
person
1. Contact local propane gas
company
2. Clean burner(s) (see
Cleaning and Mainte-
nance, page 28) or replace
burner orifice(s)
3. Contact qualified service
person
1. Clean burner (see Clean-
ing and Maintenance, page
28) 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
Maintenance, page 28)
2. Replace gas regulator
1. Problem will stop after a
few hours of operation
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
propane gas company
3. Observe minimum
installation clearances
(see page 11)
4. Clean burners (see
Cleaning and Mainte-
nance, page 28) or replace
burner orifice(s)
1. Refer to Air for Combus-
tion and Ventilation
requirements (page 6)
POSSIBLE
CAUSE
1. Burner orifice(s)
clogged
2. Burner orifice(s)
diameter is too small
3. Inlet gas pressure is
too low
4. Mislocated crossover
tube
1. Manifold pressure is
too low
2. Burner orifice(s)
clogged
3. Mislocated crossover
tube
1. Burner orifice is
clogged or damaged
2. Damaged burner
3. Gas regulator defective
1. Not enough air
2. Gas regulator defective
1. Residues from manu-
facturing processes
and logs curing
1. Turning control knob
to HI position when
burners are cold
2. Air in gas line
3. Air passageways on
fireplace blocked
4. Dirty or partially
clogged burner
orifice(s)
1. Not enough combus-
tion/ventilation air