www.desatech.com
119162-01H
30
POSSIBLE CAUSE
1..Not.enough.air
2. Gas regulator defective
1..Residues. from. manufac-
turing. 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
..Dirty. or. partially. clogged.
burner orifice(s)
1. When heated, vapors from
furniture polish, wax, carpet
cleaners, etc. may turn into
white.powder.residue
1..Not. enough. combustion/
ventilation.air
1..Battery.is.not.installed..Bat-
tery.power.is.low
1..Metal. expanding. while.
heating.or.contracting.while.
cooling
REMEDY
1..Check. burner(s). for. dirt.
and debris. If found, clean
burner(s).(see.
Cleaning and
Maintenance
, page 26)
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.
natural.or.propane/LP.gas.
company
3..Observe.minimum.installa-
tion.clearances.(see.pages.
9.through.11)
..Clean.burners.(see.
Clean-
ing and Maintenance
,
page.26).or.replace.burner.
orifice(s)
1..Turn. heater. off. when. us-
ing furniture polish, wax,
carpet. cleaners. or. similar.
products
1..Refer.to.
Air for Combustion
and Ventilation
. require-
ments.(page.6)
1..Replace. 9-volt. batteries.
in. receiver. and. hand-held.
remote
1..This. is. normal. with. most.
heaters.. If. noise. is. exces-
sive, contact qualified ser
-
vice.person
OBSERVED PROBLEM
Yellow flame in front burner
during.burner.combustion
Slight.smoke.or.odor.during.
initial.operation
Heater.produces.a.whistling.
noise.when.burners.are.lit
White.powder.residue.form-
ing. within. burner. box. or. on.
adjacent.walls.or.furniture
Moisture/condensation. no-
ticed.on.windows
Remote. does. not. function.
(Remote-Ready. Models.
Only)
Heater.produces.a.clicking/
ticking.noise.just.after.burners.
are.lit.or.shut.off
TROUbLESHOOTING
Continued
