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24
104025
TROUBLE-
SHOOTING
Continued
OBSERVED
PROBLEM
Burner does not light
after ODS/pilot is lit
Delayed ignition
burner
Burner backfiring
during combustion
Slight smoke or odor
during initial opera-
tion
Heater produces a
whistling noise when
burner is lit
Moisture/condensation
noticed on windows
REMEDY
1. Contact local propane/
LP gas company
2. Clean burner (see
Cleaning and Mainte-
nance, page 22) or
replace burner orifice
3. Replace burner orifice
1. Contact local propane/
LP gas company
2. Clean burner (see
Cleaning and Mainte-
nance, page 22) or
replace burner orifice
1. Clean burner (see
Cleaning and Mainte-
nance, page 22) or
replace burner orifice
2. Replace damaged
burner
3. Replace gas regulator
1. Check burner for dirt
and debris. If found,
clean burner (see
Cleaning and Mainte-
nance, page 22)
2. Replace gas regulator
3. Problem will stop after
a few hours of opera-
tion
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 propane/LP
gas company
3. Observe minimum
installation clearances
(see pages 8-9)
4. Clean burners (see
Cleaning and Mainte-
nance, page 22) or
replace burner orifice
1. Refer to Air for Com-
bustion and Ventilation
requirements (page 5-7)
POSSIBLE
CAUSE
1. Inlet gas pressure is
too low
2. Burner orifice clogged
3. Burner orifice diameter
is too small
1. Manifold pressure is
too low
2. Burner orifice clogged
1. Burner orifice is
clogged or damaged
2. Damaged burner
3. Gas regulator defective
1. Not enough air
2. Gas regulator defective
3. Residues from manu-
facturing processes
and logs curing
1. Turning control knob
to HI position when
burner is cold
2. Air in gas line
3. Air passageways on
heater blocked
4. Dirty or partially
clogged burner orifice
1. Not enough combus-
tion/ventilation air