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04-04-2016, 08:41 AM
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#1
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Winnebago Owner
Join Date: Nov 2010
Posts: 157
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Suburban furnace not firing?
The front furnace on our 2016 Winnebago is not firing. We lost the mother board the FIRST night out in November. Had our local mobile tech replace it with a Dinosaur board which Suburban paid for. It worked fin all winter. After setting for 3 weeks, it is not firing again.
The fan comes on. I hear the igniter clicking and smell gas. The furnace will light for 1-2 seconds putting out a puff of heat from the exhaust. Stove top is working with good blue flame. Tank reads 86%. No obstructions in intake or exhaust. Anybody got a suggestion of anything to check? Mobile tech will be back in area in a few weeks. Can wait till then.
Yes, it is still under warranty, but nearest service in CW in Colorado Springs that is 2 1/2 hours away. Would rather pay out of pocket service call than go through the time and money wasting effort of going to CW.
__________________
2016 Winnebago Journey 40R - 2012 Jeep Rubicon
2 Arctic Cats, 3 Shelties, 4 cats
Bottle of Jack Daniels & wife
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04-04-2016, 09:15 AM
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#2
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Registered User
Join Date: Mar 2010
Posts: 340
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Quote:
Originally Posted by BVThunder
The front furnace on our 2016 Winnebago is not firing. We lost the mother board the FIRST night out in November. Had our local mobile tech replace it with a Dinosaur board which Suburban paid for. It worked fin all winter. After setting for 3 weeks, it is not firing again.
The fan comes on. I hear the igniter clicking and smell gas. The furnace will light for 1-2 seconds putting out a puff of heat from the exhaust. Stove top is working with good blue flame. Tank reads 86%. No obstructions in intake or exhaust. Anybody got a suggestion of anything to check? Mobile tech will be back in area in a few weeks. Can wait till then.
Yes, it is still under warranty, but nearest service in CW in Colorado Springs that is 2 1/2 hours away. Would rather pay out of pocket service call than go through the time and money wasting effort of going to CW.
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BVThunder
What is the model number of your Suburban furnace?
I suspect your Suberban Electrode Assembly, (aka: "flame sensor"), needs cleaning, is not adjusted properly... or has gone bad:
SUBURBAN 232286 ELECTRODE ASSEMBLY
BTW, in my experience CW is not good place to get reliable RV service, (or advice).
Mel
'96 Safari, (Suberban SF-42F)
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04-04-2016, 12:33 PM
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#3
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Winnebago Master
Join Date: Apr 2003
Location: Skiatook, OK
Posts: 1,467
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BVThunder, here is a link to the service manual, as a good trouble shooting guide.
Agree with Mel sounds like a flame sensor issue.
http://www.bdub.net/manuals/Suburban_Service_Manual.pdf
__________________
Grant & Pat
2014 Adventurer 35P
2021 Rapid Red 4dr Bronco OBX
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04-04-2016, 05:29 PM
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#4
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Winnebago Owner
Join Date: Nov 2010
Posts: 157
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Thanks for the responses. We were on the road today. Will download the manual when we get settled for a couple days.
__________________
2016 Winnebago Journey 40R - 2012 Jeep Rubicon
2 Arctic Cats, 3 Shelties, 4 cats
Bottle of Jack Daniels & wife
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04-04-2016, 10:04 PM
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#5
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Winnebago Owner
Join Date: Apr 2011
Posts: 181
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BV - interested in reading about your fix. I'm having a similar problem with our front furnace, also 2016 Journey. Difference is that our furnace blower starts but it fails to ignite at all, not even a puff.
cheers,
Joopy
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04-07-2016, 07:12 AM
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#6
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Winnebago Owner
Join Date: Nov 2010
Posts: 157
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This is really strange. Both furnaces are functioning normally now. I hate intermittent problems. Now, I'm suspecting the thermostat.
__________________
2016 Winnebago Journey 40R - 2012 Jeep Rubicon
2 Arctic Cats, 3 Shelties, 4 cats
Bottle of Jack Daniels & wife
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04-07-2016, 07:37 AM
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#7
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Winnebago Master
Join Date: Apr 2003
Location: Skiatook, OK
Posts: 1,467
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BVThunder have you moved to a lower altitude? I would also check propane pressure with the stove top and both furnaces on.
__________________
Grant & Pat
2014 Adventurer 35P
2021 Rapid Red 4dr Bronco OBX
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04-07-2016, 08:56 PM
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#8
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Winnebago Owner
Join Date: Apr 2011
Posts: 181
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Quote:
Originally Posted by BVThunder
This is really strange. Both furnaces are functioning normally now. I hate intermittent problems. Now, I'm suspecting the thermostat.
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Yeah, same thing happened to me for awhile. But then the rear furnace began working regularly (and still does) but the front went dead and stayed dead. I'm suspecting either the circuit board or the T-stat.
cheers,
Joopy
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04-19-2016, 05:09 AM
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#9
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Winnebago Owner
Join Date: Oct 2007
Posts: 193
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I have had same problem. 2008 factory and 2 dealers could not find a problem.
It was intermittent, so I have an independent guy look at it, it worked when he was here. He has to come back when other parts come in. I tried it next day didn't work.
It fires, lights, and goes out in a few seconds. His thought is circuit board, I will suggest the flame sensor when he is here.
__________________
2008 Winnebago Vectra 40TD
1999-2008 traded in Suncruiser 90,000 miles
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