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101309
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 opera-
tion
Heater produces a
whistling noise when
burners are lit
REMEDY
1. Contact local propane
gas company
2. Clean burner(s) (see
Cleaning and Mainte-
nance, page 25) or
replace burner orifice(s)
3. Contact qualified service
person
4. Replace burner orifice(s)
1. Contact local propane
gas company
2. Clean burner(s) (see
Cleaning and Mainte-
nance, page 25) or
replace burner orifice(s)
3. Contact qualified service
person
1. Clean burner (see
Cleaning and Mainte-
nance, page 25) 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 25)
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 pages 10-13)
4. Clean burners (see
Cleaning and Mainte-
nance, page 25) or
replace burner orifice(s)
POSSIBLE
CAUSE
1. Inlet gas pressure is
too low
2. Burner orifice(s)
clogged
3. Mislocated crossover
tube
4. Burner orifice(s)
diameter is too small
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
heater blocked
4. Dirty or partially
clogged burner
orifice(s)
Continued
Moisture/condensation
noticed on windows
1. Not enough combus-
tion/ventilation air
1. Refer to Air for Combus-
tion and Ventilation
requirements (page 5)