ObSERVED FAULT
Heater. shuts. down. while.
running
Heater.producing.odor
TecHnicaL Service
You. may. have. further. questions. about.
this heater. If so, contact DESA Heating
Products' Technical Service Department
at. 1-866-672-6040.. When. calling,. please.
have.your.model.and.serial.numbers.of.your.
heater.ready.
You can also visit DESA Heating Products'
Technical.Service.web.site.at
www.desatech.com.
18
TroUBLeSHooTing
Continued
POSSIbLE CAUSE
1..Propane. supply. may. be.
inadequate
2..High. surrounding. air. tem-
perature. causing. thermal.
limit. device. to. shut. down.
heater
3. Restricted air flow
4..Damaged.fan.
5. Excessive dust or debris in
surrounding.area
WARNING: Use only in areas
free of high dust content.
1..Gas.leak
2..Heater.operating.on.a.20.lb..
propane/LP. cylinder.. Insuf-
ficient propane/LP gas will be
supplied.by.a.20.lb..cylinder.
resulting.in.odor
3..Propane/LP. supply. tank. is.
"freezing up". Evaporation
and. consumption. rate. of.
propane/LP.from.supply.tank.
is to great for the size of the
tank.and.air.temperature
www.desatech.com
REMEDY
1. A) Refill tank
B) Provide additional and/or
larger. tanks.. See. Propane
Supply,.page.6
2..This.can.happen.when.running.
heater.in.temperatures.above.
85° F (29˚ C). Run heater in
cooler.temperatures
3..Check.heater.inlet.and.outlet..
Remove.any.obstructions
4..Replace.motor.and.blower.as-
sembly..See.page.13
5..Clean. heater.. See. Mainte-
nance,.page.12
1..Check. all. connections. for.
leaks..Apply.noncorrosive.leak.
detection fluid to gas joints.
Bubbles forming show a leak
that.must.be.corrected
2..To.obtain.correct.mixture.of.
propane/LP.gas.and.air,.use.
a larger cylinder size, i.e.
100.lb..See.Propane Supply,.
page.6
3..Use.a.larger.supply.cylinder.
size, i.e. 100 lb.
120193-01A