Desa Comfort Glow CGR30PT Owner's Operation And Installation Manual page 22

OBSERVED POSSIBLE
PROBLEM CAUSE REMEDY TROUBLE-
SHOOTING
Contmued
Burner(s) does not
light after ODS/pilot is
lit.
1. Burner orifice(s) is
clogged•
2. Burner orifice(s)
diameter is too small.
3. Inlet gas pressure is too
low
I. Clean burner orifice(s)
(see Cleaning and
Maintenance, page 20 ) or
•replace burner orifice(s).
2. Replace burner orifice(s).
3. Contact local pmpane/LP
gas company,
Delayed ignition of
burner(s)
1. Manifold pressure is too
low.
2. Bumerorifice(s) is
clogged.
1. Contact local propane/LP
gas company.
2. Clean burner orifice(s)
(see Cleaning and
Maintenance,
page 20 or
replace burner orifice(s).
Burner backfiring
during combustion.
1. Burner orifice(s) is
clogged or damaged.
2. Burner damaged.
3. Gas regulator defective.
1. Clean burner orifice(s)
(see Cleaning and
Maintenance, page 20) or
replace burner orifice(s).
2. Replace burner.
3. Replace gas regulator.
Burner plaque(s) does
not glow.
1. Plaque damaged, i. Replace burner.
2. Inlet gas pressure is too 2. Contact local propane/LP
low. gas company.
3. Control knob set be- 3. Turn control knob until it
tween looked positions, locks at desired setting.
Slight smoke or odor 1. Residues from manu- 1. Problem will stop after a
during initial opera- facturing processes few hours of operation.
tion "_
Heater produces a
clicklng/ticking noise
just after burner is lit
or shut off.
1. Metal expanding while
heating or contracting
while cooling.
1. This is common with
most heaters. If noise is
excessive, contact
qualified service person.