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103575
TROUBLE-
SHOOTING
Continued
Continued
REMEDY
1. Clean burner orifice (see
Cleaning and Mainte-
nance, page 21) or
replace burner orifice
2. Replace burner orifice
3. Contact local propane/LP
gas company
1. Contact local propane/LP
gas company
2. Clean burner orifice (see
Cleaning and Mainte-
nance, page 21) or
replace burner orifice
1. Clean burner orifice (see
Cleaning and Mainte-
nance, page 21) or
replace burner orifice
2. Contact local propane/LP
gas company
3. Replace burner
4. Replace gas regulator
1. Check burner for dirt
and debris. If found,
clean burner (see
Cleaning and Mainte-
nance, page 21)
2. Contact local propane/LP
gas company
3. 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 burner until air
is removed from line.
Have gas checked by
local propane/LP gas
company
3. Observe minimum
installation clearances
(see Figure 4, page 10)
4. Clean burner (see
Cleaning and Mainte-
nance, page 21) or
replace burner orifice
POSSIBLE
CAUSE
1. Burner orifice is
clogged
2. Burner orifice diameter
is too small
3. Inlet gas pressure is
too low
1. Manifold pressure is
too low
2. Burner orifice is
clogged
1. Burner orifice is
clogged or damaged
2. Inlet gas pressure is
too low
3. Burner damaged
4. Gas regulator defective
1. Not enough air
2. Inlet gas pressure is
too low
3. Gas regulator defective
1. Residues from manu-
facturing processes
1. Turn 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
OBSERVED
PROBLEM
Burner does not light
after ODS/pilot is lit
Delayed ignition of
burner
Burner backfiring
during combustion
Yellow flame during
burner combustion
Slight smoke or odor
during initial operation
Heater produces a
whistling noise when
burner is lit