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11-10-2017, 06:22 PM
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#1
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2 Rivet Member
1986 34' Excella
Kulpmont
, Pennsylvania
Join Date: Oct 2017
Posts: 24
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Rear Furnace won’t Light
I have a 1986 Excella. The rear furnace Runs With a very loud clicking noise, but won’t Light. Only blowing cold air, no Heat . What could be wrong? What can I do to make it throw out Heat, the rear of trailer was Freezing this morning!
The Front Furnace works great!
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11-10-2017, 07:42 PM
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#2
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Rivet Master
2000 25' Safari
Davidson County
, NC Highlands County, FL
Join Date: Aug 2006
Posts: 4,493
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Quote:
Originally Posted by Jack W
I have a 1986 Excella. The rear furnace Runs With a very loud clicking noise, but won’t Light. Only blowing cold air, no Heat . What could be wrong? What can I do to make it throw out Heat, the rear of trailer was Freezing this morning!
The Front Furnace works great!
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my guess: Sounds like the sail switch is not functioning correctly. The only way to know is to take it apart and check.
__________________
Alan
2014 Silverado LTZ 1500 Crew Cab 5.3L maximum trailering package
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11-10-2017, 10:03 PM
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#3
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Rivet Master
1974 Argosy 26
Morrill
, Nebraska
Join Date: Nov 2009
Posts: 6,014
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Has the rear furnace ever worked?
Is the gas valve under the coach open?
Is the clicking sound the spark trying to ignite the gas?
Have you checked the connections on the control board?
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11-13-2017, 05:15 PM
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#4
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2 Rivet Member
1986 34' Excella
Kulpmont
, Pennsylvania
Join Date: Oct 2017
Posts: 24
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Quote:
Originally Posted by A W Warn
my guess: Sounds like the sail switch is not functioning correctly. The only way to know is to take it apart and check.
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O boy! Thanks.
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11-13-2017, 05:16 PM
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#5
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2 Rivet Member
1986 34' Excella
Kulpmont
, Pennsylvania
Join Date: Oct 2017
Posts: 24
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Quote:
Originally Posted by TG Twinkie
Has the rear furnace ever worked?
Is the gas valve under the coach open?
Is the clicking sound the spark trying to ignite the gas?
Have you checked the connections on the control board?
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I’ll look, thanks!
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11-13-2017, 05:18 PM
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#6
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2 Rivet Member
1986 34' Excella
Kulpmont
, Pennsylvania
Join Date: Oct 2017
Posts: 24
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Quote:
Originally Posted by TG Twinkie
Has the rear furnace ever worked?
Is the gas valve under the coach open?
Is the clicking sound the spark trying to ignite the gas?
Have you checked the connections on the control board?
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No, is it easy to get at?
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11-22-2017, 09:51 AM
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#7
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4 Rivet Member
2018 22' Sport
Airstream Coach - Other
ancramdale
, New York
Join Date: Sep 2011
Posts: 294
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i have a Atwood hydro flame furnace in my safari sport fan works and blows cold air..then stops,a red flashing light comes on ..in the manual it says ..3 flashes means "ignition lockout fault ..
at first,it gives out a little bit of heat,then goes cold then a click sound on and off,then stops and the 3 red flashes go on..
the manual does not give repair solutions??
;flame sense
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11-22-2017, 10:00 AM
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#8
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4 Rivet Member
1979 31' Excella 500
Charlevoix
, Michigan
Join Date: Aug 2014
Posts: 350
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One other thing that's common this time of year is that as the weather gets colder outside, that reduces the pressure inside of your propane tanks. In some cases, you may not have enough pressure to ignite your furnace, especially if you are also already running the one in the front. One way to check if this is your issue is to fill your tanks completely (which gives you the greatest pressure) and try to turn on your rear furnace.
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11-22-2017, 11:23 AM
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#9
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2 Rivet Member
1986 34' Excella
Kulpmont
, Pennsylvania
Join Date: Oct 2017
Posts: 24
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Thanks, I’ll try that!
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