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OBSERVED
PROBLEM
Burner(s) does not
light after ODS/pilot is
lit
Delayed ignition of
burner(s)
Burner backfiring
during combustion
Burner plaque(s) does
not glow
Slight smoke or odor
during initial opera-
tion
Heater produces a
clicking/ticking noise
just after burner is lit or
shut off
REMEDY
1. Clean burner orifice(s)
(see CLEANING AND
MAINTENANCE, page
17) or replace burner
orifice(s)
2. Replace burner orifice(s)
3. Contact local propane gas
company
1. Contact local propane gas
company
2. Clean burner orifice(s)
(see CLEANING AND
MAINTENANCE, page
17) or replace burner
orifice(s)
1. Clean burner orifice(s)
(see CLEANING AND
MAINTENANCE, page
17) or replace burner
orifice(s)
2. Replace burner
3. Replace gas regulator
1. Replace burner
2. Contact local propane gas
company
3. Turn control knob until it
locks at desired setting
1. Problem will stop after a
few hours of operation
1. This is common with
most heaters. If noise is
excessive, contact quali-
fied service person
POSSIBLE
CAUSE
1. Burner orifice(s) is
clogged
2. Burner orifice(s) di-
ameter is too small
3. Inlet gas pressure is too
low
1. Manifold pressure is too
low
2. Burner orifice(s) is
clogged
1. Burner orifice(s) is
clogged or damaged
2. Burner damaged
3. Gas regulator defective
1. Plaque damaged
2. Inlet gas pressure is too
low
3. Control knob set be-
tween locked positions
1. Residues from manu-
facturing processes
1. Metal expanding while
heating or contracting
while cooling