www.desatech.com
121232-01A
7
POSSIBLE CAUSE
1..No. electrical. power. to.
heater
2..Fan.hitting.inside.of.heater.
shell
3..Fan.blades.bent
4..Defective.motor
1..User. did. not. follow. instal-
lation.or.operation.instruc-
tions.properly
2..No.spark.at.spark.plug..To.
test.for.spark,.follow.step.8.
under.
Spark Plug
,.page.9..
If. you. see. spark. at. spark.
plug,.have.heater.serviced.
by qualified service person.
If.no.spark.seen:
. A). Loose. or. disconnected.
spark.plug.wire
. B).Bad.spark.plug.
. C).Bad.spark.transformer
REMEDY
1..Check.voltage.to.electrical.
outlet.. If. voltage. is. good,.
check. heater. power. cord.
for.breaks
2..Adjust.motor/fan.mount.to.
keep.fan.from.hitting.inside.
of. heater. shell.. Bend. fan.
mount.if.necessary
3..Replace. fan.. See.
Fan
,.
page.9
4..Replace.motor..See.
Motor
,.
page.8
1..Repeat. installation. and.
operation.instructions..See.
Installation
,. page. 5. and.
Operation
,.page.6
2..A).Check.spark.plug.wire..
Tighten. or. reattach. loose.
spark.plug.wire..See.Figure.
8,. page. 9. for. spark. plug.
wire.location
. B).Replace.spark.plug..See.
Spark Plug
,.page.9
. C). Replace. spark. trans-
former.. See.
Spark Trans-
former
,.page.9
OBSERVED PROBLEM
Fan. does. not. turn. when.
heater.is.plugged.in
Heater.will.not.ignite
trouBLesHooting
WARNING: Never service heater while it is plugged in, connected
to propane supply, operating or hot. Severe burns and electrical
shock can occur.
MaintenanCe
WARNINGS
• Never service heater while it
is plugged in, connected to
propane supply, operating or
hot. Severe burns and electri-
cal shock can occur.
• Keep heater clear and free
from combustible materials,
gasoline and other flammable
vapors and liquids.
• Do not block the flow of com
-
bustion or ventilation air.
1.. Keep.heater.clean..Clean.heater.annually.
or.as.needed.to.remove.dust.and.debris..If.
heater.is.dirty.or.dusty,.clean.heater.with.
a.damp.cloth.
2.. Inspect. heater. before. each. use.. Check.
connections. for. leaks..Apply. mixture. of.
liquid. soap. and. water. to. connections..
Bubbles.forming.show.a.leak..Correct.all.
leaks.at.once.
3.. Inspect. hose/regulator. assembly. before.
each.use..If.hose.is.highly.worn.or.cut,.re-
place with hose specified by manufacturer.
4.. Have.heater.inspected.yearly.by.a.quali-
fied service agency.
5.. Keep.inside.of.heater.free.from.combus-
tible.and.foreign.objects.