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10-14-2019, 10:31 AM
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#1
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Junior Member
Join Date: May 2019
Location: Barrington
Posts: 14
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Furnace issue
Our furnace stopped working this weekend. We have propane and a good power supply. The pilot is lit. The fan turns on for 30 seconds then shuts off.
I replaced the control board this morning with no difference.
Ideas?
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10-14-2019, 10:52 AM
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#2
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Senior Member
Join Date: May 2016
Location: South Jordan, Utah
Posts: 2,228
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Could be the propane regulator. It's located at the propane tanks. Easy test is to light your stove. As you light the second and third burner the first burner should burn steady with no real change in flame as additional burners are added. If you see "sputtering" I'd suspect the regulator valve may be the issue.
You don't say what year your trailer is, but this is common in trailers that are 4+ seasons.
Although they can fail anytime
__________________
2017 Cougar 279RKSWE
2007.5 Dodge Ram 2500 6.7 Cummins
Retirement Training Completed
I think the little voices in my head have started a chat group.
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10-14-2019, 10:59 AM
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#3
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Junior Member
Join Date: May 2019
Location: Barrington
Posts: 14
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Stove and grill are working normally
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10-14-2019, 11:03 AM
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#4
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,015
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What kind of furnace ... Suburban or Atwood? Pilot light? If you have a pilot light this must be an older unit.
If sail switch doesn’t close when blower starts up or flame sensor isn’t working then furnace will not complete sequence and ignite.
What year is your RV, make, model
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10-14-2019, 11:08 AM
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#5
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Junior Member
Join Date: May 2019
Location: Barrington
Posts: 14
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2019 Cougar 29BHS. Dometic furnace.
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10-14-2019, 11:28 AM
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#6
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Site Team
Join Date: Jun 2009
Location: Venice
Posts: 5,346
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Like Chuck said, I would suspect the sail switch has failed.
__________________
Hank & Lynn
2007 Cougar 290RKS, E-Z Flex, 16" XPS RIBs ( SOLD .. Gonna miss her ... looking for new 5r)
2004.5 Dodge 2500 QC, LB, 5.9HO, WestTach gauges, Ride-Rite
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10-14-2019, 12:33 PM
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#7
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,349
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And the limit switch is also part of the circuit prior to ignition.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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10-14-2019, 01:25 PM
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#8
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Junior Member
Join Date: May 2019
Location: Barrington
Posts: 14
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Any idea where to find the sail switch?
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10-14-2019, 04:37 PM
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#9
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Junior Member
Join Date: May 2019
Location: Barrington
Posts: 14
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Ok I’m a moron . I was looking at the refrigerator. No wonder changing the board didn’t fix the furnace.
I’m dropping it off to get fixed.
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10-23-2019, 03:21 PM
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#10
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Junior Member
Join Date: Oct 2019
Location: Gulfport
Posts: 11
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I been having the same problem 2019 Cougar my neighbor is having exact Issues he also has a 2019 cougar
.coincidence? I think not ..i had a repair man over today..my work for 3 cycles then quit on me tonight..repairman is coming back in the AM will get Dometic on the phone.. i
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10-23-2019, 03:46 PM
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#11
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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Quote:
Originally Posted by StevyG
I been having the same problem 2019 Cougar my neighbor is having exact Issues he also has a 2019 cougar
.coincidence? I think not ..i had a repair man over today..my work for 3 cycles then quit on me tonight..repairman is coming back in the AM will get Dometic on the phone.. is this a possible Class Action Suit?
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First, find out what's wrong with it. It's covered under warranty for 2 years from the initial delivery of your RV (if you bought it new). There's a reason why manufacturers provide a warranty, so NO, it's not a "class action suit" if they fix it under warranty.
At this point, you don't even know what's wrong with it. Once you find out what's wrong, please post the problem and the fix.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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10-23-2019, 04:46 PM
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#12
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,692
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Quote:
Originally Posted by StevyG
I been having the same problem 2019 Cougar my neighbor is having exact Issues he also has a 2019 cougar
.coincidence? I think not ..i had a repair man over today..my work for 3 cycles then quit on me tonight..repairman is coming back in the AM will get Dometic on the phone.. is this a possible Class Action Suit?
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Class Action Suit?? You just discovered you are having an issue, your neighbor has an issue and the cause is yet unknown. The OP had an issue as well and has sent his in for repair under warranty. No one even knows what the problem is, what caused it or the solution but the first thought is Class Action Suit? Might want to grab hold of something because RV life is full of little problems. Most folks just get on it and fix it. Don't guess the thought of a class action suit ever crossed my mind in all of the issues we've had and fixed and all of those other issues that others have had that were like them....I've got better things to do than spend my time trying to set up a class action suit that will go nowhere every time I hear of someone that has some sort of problem that sounds like mine....
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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10-23-2019, 05:26 PM
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#13
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Junior Member
Join Date: Oct 2019
Location: Gulfport
Posts: 11
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Fyi..i did say possibly...i think would be an issue for Dometic..if so many are having the same issue.
It remains to be seen if the warranties are paid for.
I find it very strange 2 people & others in this forum with the same issues.. On Brand new vehicles,?
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10-23-2019, 05:58 PM
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#14
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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Quote:
Originally Posted by StevyG
Fyi..i did say possibly...i think would be an issue for Dometic..if so many are having the same issue.
It remains to be seen if the warranties are paid for.
I find it very strange 2 people & others in this forum with the same issues.. On Brand new vehicles,?
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You find it "strange that 3 people have a furnace issue??? Co-incidentally, you don't know WHAT your issue is yet..... And you're talking a class action lawsuit ???
For the record, just to "offset those three furnace issues" I'd suspect there are 10,000 without a furnace issue......
I'd urge you to read the forum community rules (there's a tab at the bottom of every forum webpage with a link to the rules).... We frown on using this forum to settle issues with any manufacturer. Please take a look at the rules. Thanks
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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10-24-2019, 04:29 AM
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#15
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Junior Member
Join Date: Oct 2019
Location: Gulfport
Posts: 11
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Are you aware that Dometic has already had a recall?
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10-24-2019, 04:44 AM
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#16
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Member
Join Date: Oct 2019
Location: Madison
Posts: 33
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Good morning everyone,
It appears that I have the same, or a very similar, issue as the OP. An onsite repair man is schedule to repair my Dometic furnace this morning and I will post the results once he finishes up. He attempted to repair the unit last weekend and after a few hours of troubleshooting, with Dometic on the phone as well, they decided to order a blower motor and a sail switch. I’ll report back later today.
__________________
2020 Outback 340BH
2008 RAM 2500 Mega Cab 6.7 Cummins
14K Equal-i-zer WDH
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10-24-2019, 04:53 AM
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#17
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Senior Member
Join Date: Nov 2018
Location: Norwood, CO
Posts: 685
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Hello StevyG.
The recall you mention is for refrigerators manufactured between 1997 and 2003.
You already had a repairman over, did you contact Dometic? As it is still under warranty you might want to pay attention to your steps in repairing so as to keep the warranty in tact.
Good luck, it doesn't sound like it should be too hard to run down and fix.
__________________
German Shepherd Guy
2018 Keystone 26RBPR
2014 Suburban 2500, 6L with 3.73 rear
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10-24-2019, 05:00 AM
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#18
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Member
Join Date: Feb 2013
Location: Northern Idaho
Posts: 62
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Neighbor in the little park I'm in, had similar issue. I found the schematic online for it, and it looked to be either the sail switch or the high limit thermostat. I think it ended up being the high limit thermostat.
It's easier than you know, to get in a batch of bad parts that wind up in your customer's hands
__________________
Rich
'09 Keystone Fuzion FZ403, Touring Edition, 244 of 300.
'08 Chevy Duramax
Full-time in my Fuzion since 2011
USAF Vet. B-52G Crewchief.
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10-24-2019, 05:06 AM
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#19
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Junior Member
Join Date: Oct 2019
Location: Gulfport
Posts: 11
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Yes there was a recall with a gas valvea (control boards) i do believe & many others i see on the forums here. I have a repair man coming back & will have dometic on the phone. It has already cost me about $300 & lost time. We have been videoing & pics I appreciate your thoughts thank you
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10-24-2019, 05:07 AM
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#20
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Senior Member
Join Date: Oct 2014
Location: Germantown, TN
Posts: 6,332
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Stevy, class action lawsuit? Naw, I'm not even going to go here....
__________________
Jim in Memphis, Wife of 51 years is Brenda
2019 F450 6.7 Powerstroke
2018 Mobile Suites 40RSSA
2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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