Maintenance; Troubleshooting - Desa BLP170VTA Owner's Manual

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.
WARNING: Never service heater while it is plugged in, connected
to propane supply, operating or hot. Severe burns and electrical
shock can occur.
OBSERVED PROBLEM
Fan. does. not. turn. when.
heater.is.plugged.in
Heater.will.not.ignite
121232-01A

MaintenanCe

trouBLesHooting

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
www.desatech.com
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.
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
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