RV furnace won’t IGNITE, TURN ON, OR STAY LIT? Repair and Troubleshooting advice!
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- เผยแพร่เมื่อ 23 ก.ค. 2024
- Do you have an RV furnace that is blowing cold air, won't ignite, won't turn on, or won't stay lit? Trust us, we've been there. This is a step-by-step troubleshooting video to help you solve your maintenance issues and repair your RV furnace!
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0:00 Chapters
1:04 Stage 1: Is the blower fan running?
1:50 Stage 2: Does the furnace attempt to light?
3:22 Stage 3: Does the furnace stay lit?
6:18 Stage 4: Does the furnace stay lit all the time?
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Great video. U gave me some direction. Thanks
Thank you!
Hey, that was awesome. Thank you for not rambling on and on, a common mistake youtubers do.
Thanks 😁 Glad you found it useful
Thank you! We tried all kinds of things, but then followed your guide and we figured it out!
That's so great to hear! Glad we were able to help 🙂
Huge thanks, I followed along with your instructions, cleaned my curcuit board and everything works again. I can't thank you enough.
Cheers!
Hey Derek, that's great to hear! Glad it helped 😁
WE TOTALLY HAD THIS PROBLEM. The quick reference guide is GENIUS. Brilliant brilliant. Absolutely love that you got right to the point with this video. Really well done, you two. (And we wish you had made this in December so that we could have used it when ours was konked out! 😂)
🧡, Keith and Raini
Hi friends, thanks for your kind words. Nobody likes furnace issues, right? Who knows, maybe our quick reference guide will come in handy one day (in the distant future).
Thank you but he got it it's all set going to our family camp going to be cold need to the motor hooked up carefully of course but quit lol
This is the greatest video of all time. Been having troubles for months with my dometic 30,000 btu furnace staying lit and messing with it and there it is a dirty sail switch. Thanks for the video this saved us.
You're very welcome, and we're really glad to hear that! We had a heck of a time getting our furnace working reliably again, so I was hoping all our hours spent troubleshooting could help others. 😀 Thank-you for your support!
Excellent. Stepwise approach from simple to complex, likely to less likely, is perfect.
Thanks, glad you found it helpful! I spent a lot of hours troubleshooting our furnace and hope this saves others some time! 😁
Thank you so much , we are going to check ours out today! Very helpful , short , sweet and to the point. ❤
Glad to hear our video was helpful. Good luck with your repairs!
I came across your video about trouble shooting the RV heater when mine quit working on a trip. My problem was fixed by removing the sail switch and cleaning it. After I cleaned it, I turned on the switch with the sail switch still wired to the system, but not installed. I held the switch in the activated position, and the furnace worked! I reinstalled the sail switch and now I am enjoying the heat! Great video and very easy to understand. Thanks.. and Yes I subscribed.
Hi David! We are so glad to hear that you got your heat working again and that our video was helpful. Thanks for subscribing and hope you find other videos you like on our channel. Cheers, Mel & Jay
Thanks. Not only informative but inspirational. I'm heading out now to give my old furnace another try.
Good luck with your repairs!
I’m having issues currently while in the middle of our two week trip. Your video was very informative. I checked the sail switch and It did have some stuff obstructing it. I cleaned it replaced it. It worked for a about a day and now having the issue again of course in the middle of the night so tomorrow plan to check the sail switch again.
Good to hear that helped, at least temporarily. It could be that it's slightly bent. They're very finicky. I would try to get order a new one as soon as you can, and then even carry a spare if you use your heater a lot.
That was the best RV furnace troubleshooting video EVER! Great job and thank you so much!
Thank you so much for your kind words! Hope you will be toasty warm again in no time 🌡️
Great video. I've done much of this before finding thus video. Wished I've seen this before tackling on my iwn. I have the Suburban furnace and have to pull it out from under the oven to access these components. That means disconnecting the propane line as my camper doesn't have a access door outside like yours. Fun! After reconnecting (tip), I re-blead the gas by getting the stove to burn full flames (as my fuel line splits going to the stove & furnace). Mine started intermittent and became worse. I've now replaced the sail & gas switches, the control board, and gasket that allows access to the igniter. Cleaned everything (tip #2 not mentioned here), vacuum all pipes and around the entire unit. Them bugs (Chinese Beatles are the worst) get in during winter storage and cloge up tiny spots. I even had them by the ignitor, re-gaped the ignitor after cleaning, check gas regulator to flow control and ranthe unit inside the RV not installed. Had to reconnect propane line outside the installed location. Watched the ignitor work through the sight glass (not accessible when installed) for a go spark & flame (tip #3), do this in a well ventilated camper and for a shirt time as the exhaust is not properly routed outside. Also checked voltage and signals from the wall mounted controler to the control board (turning on/off and temperture sensor) to make sure that isn't telling the furnace it is to hot inside and don't run. Could have a bad wall unit, but much more rare and not in my case. (Tip #4) If no VOM meter, slide the temp way up to run and once running, slide it way down to stop a heat cycle as a test. Re-installed once repaired and re-beaded the fuel line again. Good to go.
Wow, that sounds like quite the overhaul! Very good tips all around, thanks for posting them here! I guess we're really fortunate we can do most common maintenance without having to disconnect everything. Those RV furnaces, I tell you, they are delicate and flakey sometimes!
Great video. After watching, I determined i also had water intrusion. Drying out the water solved the problem. I located the source of the intrusion, which was rain water getting past a bad seal in the fridge compartment cover above the furnace. Thanks for your help!
So glad to hear that our video was useful to you. Thanks for sharing your success with us 😃
I have this exact same problem. Thanks for a great instructional video : ) Hopefully I can get mine going.
Good luck! A new control board is often a quick way to get things working again.
Great reference video and yay for the awesome handy dandy cheat sheet. Your detective work will for sure help others 👍🏼
Thanks ☺️ Hope it saves people a bit of time
Thank you for this! By far the best video I’ve seen yet on this issue! I’m about to start troubleshooting mine now!
Thank-you! Hope you can get it sorted quickly!
Wow, it sounds like we have the same luck. I had a intermittent problem and like you, became very handy working on RV furnaces over the last few months because of it. Turns out my control board was bad and had visible charring underneath. After 3-4 weeks of it running flawlessly, it started turning off again, but would fire back up after cycling the thermostat to “off” and then “on”. I have had an unrelated, or so I thought, propane issue lately. Thinking we got a bad regulator! Thanks guys, very helpful video.
Visible charring?!? Wow, that's a bit scary. Nothing scares me more than the potential for a fire in the RV. Yeah, it's amazing how complicated those little RV furnaces are, and how many things have to come together perfectly for them to work. Glad you were able to get it going again!
Great video. I heard the clicking then did the stove test. With all 3 going, there was barely a visible flame. I played with the regulator and it now works. I guess I'm up for a new one. Thanks
Great to hear that solved the problem! Yeah, there are so many different things that can affect those finicky RV furnaces :)
good video there you two! I am in the middle of doing the same thing here in MT. My furnace gave out few days ago & currently on 2 small heaters (Which I am not a fan of doing here) too keep some heat in here until I can get out and trouble shoot the issue. I assumed it was the sail switch the board itself - one day intermittent, other days flawlessly, any yet other days I would have to reset it 4 - 5 times on the thermostat to keep it running right. I will be trying this hopefully this week once it gets warmer. You have given a sense of direction as to gettin' this done.... so thanks. Keep them videos comin' Jeff
Thanks Jeff, that to me sounds like the control board -- probably the most common issue. Considering they are fairly inexpensive and easy to replace, I would try that first.
Thank you for making such a reasonable direction based video. I'm hoping the issue we are suddenly dealing with is too low battery voltage vs something more aggressive. I'm also happy to hear you were able to resolve your situation.
Thanks! We hope you're able to troubleshoot your furnace fast and back to roasty toasty happiness soon.
Good video, well done and it helped me as my furnace fan starts, heats, reaches set point temp, shuts down and won't restart.
Thanks and glad it helped!
Before replacing the board this worked for me it comes off easily with the wing nut it's attached to a plastic vent take the computer board off and clean it with a soft toothbrush both sides do not add any water. It worked for me the dust causes static electricity on the board. Good luck thank you guys you made me pinpoint exactly where my problem was
Glad to hear our video was helpful 😃 Happy dusting!
yall seem like a nice couple so ill leave a comment, havent tested it yet but just bought a 91 Gulfstream Sun Clipper 27' mobile home, it has a heater, but im just doing research on what to do so when i look at it, i know exactly what to do instead of wasting time, ect, i hope to come back after this weekend with a success story thanks to this video, stay safe and warm this winter!
Thank-you. Good luck with the troubleshooting and look forward to hearing how it goes!
Had trouble with my new unit staying lit. I will keep an eye out for more issues. Thanks for the video
Hope it helped! Yeah, if it's lighting ok, but not staying lit, the gas pressure or the flame sensor are the things to check out. If you haven't already, be sure to download our troubleshooting PDF for when you're offline. 😀 homearoam.com/how-to/rv-furnace-troubleshooting/
This video helped me out fast! Thank you guys! It was the sail switch for me.
So glad to hear you were able to get to the bottom of the problem quickly! Those sail switches seem to be a problem for a lot of us!
What a great video, I’m currently chasing the TH-cam rabbit hole trying to fix an Atwood that only stays lit for a few seconds at a time. This is the most informative video I’ve found yet, thank you guys!!
We're glad to hear you found it helpful! Good luck on your repair.
Currently in same rabbit hole 🥴
@@heatherbrewer2144 I fixed mine finally by replacing the igniter which also serves as the flame sensor. Best of luck to you!
I'm sure you're going to get a lot of comments over the next few days as this winter weather hits the entire country. I full time in Florida, so I don't need a furnace very often, but it's going down to 30 for the next few nights in Tampa. I went to turn on my heat, and it quit after about 2 minutes of really loud noise. Followed your steps, and I have heat again! Thank you for helping me keep warm over the next few days, much appreciated!
So glad to hear that you will be cozy and warm for the holidays!
Thanks your video just saved me in the cold Colorado winter . Thank you the regulator was bad
Great to hear that we could help! Stay warm and cozy! 😀
Thank you for the detailed process! I will try out these steps and see if I can get my heater working again. Again Thank You!
Goodluck! Hope you get it working again soon. Let us know how it turns out.
Seems like solid advice, thanks!
My fan was working but now it won't. Might be the thermostat... previously, the fan would come on, it would click like it was trying to light, but no fire. I checked the stove burners and they work, so i know I'm getting fuel, but the fridge is having issues as well. Might have something wrong with my regulator board. In sure I'll get it sorted this weekend. Thanks again!
Yeah, I would definitely check and/or replace your propane regulator. Especially if your burners are more yellow-ish or flickering. That could indicate a low propane flow. Here's hoping for a quick resolution!
Thanks for such clear description and imagery - truly exceptional and helpful production!
Thank you for the nice comment. We hope it was useful. Stay warm 🧣
Great job guys hank! Thank you for a quick troubleshooting video. One of the best I've seen! :)
Glad it was helpful for you 😃
Wow..thanks for the tips, fuse needed a little jiggle and furnance came on. 19° here in MO..easy fix for a new full timer
That's so great to hear that our video helped you out and that it was an easy fix 🙂 stay warm!
Great overview. Thank you. I figured out that my problem was the sail on the sail switch needed to be slightly bent to put more pressure on the switch itself. I have no idea why this would work for 3 months and then suddenly stop but... 😃
That's great news that you were able to fix it! Thanks for taking time to tell us about your success and sharing it with others to learn from, too 😃 Let the camping season begin! 🏕
Could have just been some dust dirt or hair. I clean mine seasonly
Thank you it went down to 19 tonight and coz of you I now have heat
That's so nice to hear 😊 We're so glad you're having a warm and cozy night!
THANK YOU!!! Rather than calling out a mobile tech from 2+ hours away ($$$$!!) we were able to diagnose our issue on our permanently parked RV and buy a new control board. The fix-it-flow-chart is PERFECT!!
That's so awesome to hear! Thanks for letting us know it worked for you 😀
You guys nailed it with this video. Very well done. I will go through the troubleshooting step by step as soon as we get back home from our vacation. Our Sierra Sprinter (2017) furnace started acting up recently by miss-igniting dozen times when cold but running normal the rest of the day. I hope to find the problem(s) by following your instructions. I’ll let you know if I find something (new) interesting. Thank you both (from Whitecourt, Ab) 😎
Thank-you, and good luck with your troubleshooting! Let us know what it turns out to be.
The flame sensor/electrode was the problem. The ignition was happening just fine but it wouldn’t run more than 2 seconds. I wouldn’t have got it done alone without your help. Thanks to you both. Cheers…
So glad to hear! Great that you got it working again.
My camper is 3 months old and doing that just when I need the heat the most! My brother came and did everything we could check. He opened the compartment and it was full of water inside. So guessing the board must have gotten wet! Thanks for the video. Guess I'll have to call a camper technician to come out and check that!
Yeah moisture on the board really causes them to flake out. It's usually not a difficult DIY job, but a tech should be able to swap it out quickly for you as well.
Thank you guys, i was able to fix my furnace thanks to this video! Cheers!!
That's great to hear, Enrico! Happy 🏕️
Thank you for this awesome compilation. Great reference, and timely too! Our furnace just crapped out again🤬.
Oh no! Well, hope our video was helpful to get it running again and keep you warm!
Great video! I am now going to go tackle my furnace problem!
You can do it! Glad our video was useful, and don't forget about the printable pdf for future reference.😀
Great 👍🏾 Video, I had the same issue. Furnace would not stay lit 🔥
Thanks for watching. Did it turn out to need a board replacement, like ours?
Excellent troubleshooting video guys! Thank you for making a great resource
Thanks! It means a lot to us that we can be helpful to the community 🙏
Your information helped me to troubleshoot and fix my problem. Thank you
Glad to hear it! Now you'll be warm again 😀
Nice informative video! Mine is blowing but won't light and I've got good pressure. I will check the igniter.
Thanks! Might be worth checking the sail switch first since it's a bit easier to access.
Thanks for the video. I’ve never had a problem with my furnace kicking on, until tonight. I’ve got enough bedding to stay warm, but, frustrating! I just spent $50 on propane yesterday, so I troubleshooted the tanks and attachments on the lines. They appear to be in the same old working order. I wondered if it was bad trailer leveling, but I believe I’ve heard that contributes to a water heater malfunction, so I’m ruling that out. I may go find the tool I need to pull the furnace compartment cover and look around in there.
Hi Paul, thanks for sharing what you've found out so far. Hope you can get it up and working again soon! Something we've also learned since making this video is that if temperatures dip well below freezing it can affect the flow of propane through the system and it will appear like it's not working. Hope this helps. Good luck!
Thank you for your video I helped big time maybe we will survive this winter!!!
Glad it helped! Stay warm 🧣
This is awesome by the way. Excellent presentation, to the point. Great job!
Thanks :-) Hope it comes in handy for you.
Thank you for your video. I’m a newbie and this helps a bunch!
You're welcome. Glad it helped!
Thank you! Had us up and running with in 5 minutes of finding this video.
Glad glad to hear it! Stay warm!
Straight to the point, good job.
Thanks, glad it was helpful 🙂
Thank you so much for this video. I haven’t tried it on my 5th wheel but I’m sure going to.
Glad we could help!
Great video. Very thorough and easy to follow. We have been going through your videos and find we are similar. We tow with at GMC Sierra 1500 too.
Nice! We really like the Sierra's towing capability. We've had very few issues with it going over the mountains up here on the west coast. What year is yours?
@@HomeARoam Ours is a 2015, which we got almost a year ago. We’re really happy with ours too.
Thanks for the help. I think mine is fixed now..
Awesome, great to hear!
Thank you, great help
Glad to hear you found it useful and hope you were able to repair the problem quickly!
Great way to start diagnosis nice job
Thanks, glad you found it helpful!
Excellent content and I really like your Troubleshooting Flowchart
That's great to hear 😃 We keep the flowchart handy on our phones so that we can refer back to it in case we have anymore issues.
Thank you so much!! You saved us from a cold night in the trailer
So glad to hear you'll be sleeping warm and cozy!
what great job with this vid, thank you.
also liked the little bloopers at the end.
Thanks Steve! We worked hard on it and am glad you found it helpful 😀
Thank you!! Wonderful breakdown.
You're welcome! Glad to hear you found it useful.
Thank you this was super helpful and very well done!
That's so great to hear! Glad our video was useful to you. DOn't forget that there is a pdf available for future reference too.
Thank you I will be at the RV place tomorrow getting a new board . Seems like mine only happens when its raining.
Hi, thanks for watching and hope everything goes well at the RV shop. Yeah, sounds like moisture is getting in there somehow and that a new board will be good. Good luck with the repair 🍀
Thanks for sharing this.
Hope it comes in handy for you!
Thanks guys this was huge my furnace I’ve only had my camper for a year and a few months and I’ve barely used the heat it’s been out for a couple of days and it got really cold luckily I love sleeping with the AC on all the time so it wasn’t that big a deal but when you’re up and about and it’s really cold in there it can be miserable but luckily I watch some of your videos and I was able to figure out it was the sail fin switch I pulled it apart and kept messing with it and right now it seems to be working OK but any tips or tricks that you know as well would be helpful and appreciated I think I’m going to get some of those switches to have extra in the camper and the temp over temp switch it’s better to have a few extra than not enough
Hey, thanks for letting us know, that's great to hear! The sail switches are super finicky and delicate, so you have to be really careful handling them. We keep a spare sail switch, and a spare control board in the trailer because they do have a tendency to fail at the most inconvenient times! I agree it's a really good idea to have spares handy.
You guys are awesome! Great job on the video!
Thanks, Frank! Hope this comes in handy for you one day. I (Mel) have even referred to it a few times! 😅
Very helpful - even if I haven't figured out what is wrong with my unit. Thanks.
Sorry to hear! Have you tried a new control board? That seems to be a really common fix for all sorts of different symptoms.
@@HomeARoam No but that is my next step. Thanks!!
Your trouble shooting tips helped me thank you
Great to hear! Our pleasure. 😁
Thank you
You're very welcome! Glad you found it useful.
Thank You
You're welcome 😀
Thank you so much! Your video was very helpful 🎉
Awesome! Glad we were able to help.
I'll give it a try. Thank you ♥️♥️
All the best of luck to you! If we can do it, you can do it!
This video was so well done I just had to subscribe!
Thanks so much for your kind comment 🙂 Hope the info is helpful to you.
Great job on the video, thanks!
Hope it was helpful! 'Tis the season for furnaces to be in use again 😁
Thanks, this gets me started.
Good to the point video.
Hope you're able to fix it fast!
I used a M18 Milwaukee blower and blew through the 2 exterior holes for the heater and blew out what looked to be a mouse nest and debris.
Tried the heater again and it fired up and is still working.
Thanks
I appreciate your video and help!
Thanks! Goodluck with your repairs.
This is awesome. My blower starts but won’t lite (light?).
Anyway thank you for a great starting point.
Hope you're able to get it fixed up and running again soon!
Thanks I will try it
All the best! Let us know it goes.
Thank you!
You bet! Hope you're warm again in no time 🧣
Well done video. Our furnace is acting the same way. Fortunately, I bought a spare board along with two sail switches last winter. Originally, just the sail switch was bad, but now the flame keeps dropping out when below freezing. I'll now try replacing the board. Thanks.
Goodluck with your repairs, and hope our video was useful. Our sail switch is on the fritz again this season and might need replacing soon.
@@HomeARoam sail switches can go bad from just lack of use. Remove the switch and actuate it about 20 times and it should work again for a long time.
thanks for the tip!
Thanks for the video
You bet. Hope you'll be able to use the info to be warm again in no time!
You guys are awesome! Thanks so much for the very informative video. 😄👍🏻
Thank-you! Glad you found it useful!
TYSM this is so helpful
Glad it helped! Hope you're warm and toasty again in no time!
Thank you very helpful
Glad to be of help.
Great information thanks very much
You bet, hope it comes in handy for you.
Great video. Thank you for the info!
Hope you find it useful, thanks for watching 😃
Thank you. I'm freezing! Let's hope I can figure this out.
We hear you! We had issues with ours yesterday in wind, rain and near freezing temperatures, too. Good luck, you got this!
@@HomeARoam Space heater is getting me by for now. I will have to take it in to a dealer as I can't obtain access to the furnace in my unit.
Great step by step video!!!!
Glad you like it and hope it was helpful to you! Stay warm 🧣
for me it was the sail switch. even though it looked clean, cleaning it again and making sure the switch clicked fixed it. thanks
Great to hear that helped! We had the same problem down in Arizona. May have been dust.
Great video. Thanks for taking the time to share.
Thanks, I appreciate you taking the time to let us know! 😁
@@HomeARoam Found a "dust bunny" holding the sail switch.
Good video. Thank you.
Cheers!
Great Video! Very detailed and helpful! I should be able to get it dialed in now!
Love the outtakes! (The struggle is real 😂🤙)
Glad to hear our vid was useful. How did your repairs go?
Thank you. I have the water problem. I am going to contact Dometic to see if they will help me out like they did you.
Good idea. They were very helpful for us.
Think god for TH-cam and you for making the video lol. We were camping and furnace wouldn’t cut on. First check blower motor not running , change fuse and bam good to go. Lol thanks
That's so great to hear that our video helped you in the moment and got things working again. We love hearing these kinds of stories ❤️ Thanks for sharing and happy camping!
Thank you ❤
Hope you have your furnace up and running again soon!
Great tips great video thanks guys
Thanks Jeff! We've referred to it a couple of times ourselves. Hope it helps you out one day. 😁
Great info for my future RV
Hopefully it'll save you some time if -- or probably when -- your furnace has troubles 😆😁 They really are finicky things.
Great video! Well done!
Thanks! Hope it comes in handy one day for you 🙂
Great video
Thanks! Hope it helped!
Thanks so much!
Hope you found it helpful!