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02-03-2021, 07:18 PM
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#1
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Montana Fan
Join Date: Sep 2018
Location: Orlando
Posts: 338
M.O.C. #22589
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Furnace DOA after running out of propane
Hello folks. Could someone please tell me how to restart my furnace? 1 propane tank ran dry and the furnace shut off, I have opened the valve for the second tank but the furnace is still not operating. Thanks
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02-03-2021, 07:26 PM
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#2
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Montana Fan
Join Date: Sep 2018
Location: Orlando
Posts: 338
M.O.C. #22589
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I pulled the fuse (it was an auto reset type) and when I put it back in immediately I had furnace again. Oddly though the red led did not light until I pulled the fuse.
Edit to say that I have had to pull the fuse about every 90 minutes. Any thoughts?
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02-03-2021, 08:39 PM
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#3
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,135
M.O.C. #1920
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Glad it worked out. Usually, when you run out of propane you get air in he line. The simplest way to resolve that is to start a burner on your stove until you get good flame. That will bleed the line. I’ve never had to pull the fuse.
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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02-03-2021, 08:44 PM
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#4
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Montana Fan
Join Date: Sep 2018
Location: Orlando
Posts: 338
M.O.C. #22589
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Quote:
Originally Posted by rames14
Glad it worked out. Usually, when you run out of propane you get air in he line. The simplest way to resolve that is to start a burner on your stove until you get good flame. That will bleed the line. I’ve never had to pull the fuse.
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Thanks, nice tip!
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02-03-2021, 11:30 PM
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#5
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Montana Fan
Join Date: Sep 2018
Location: Orlando
Posts: 338
M.O.C. #22589
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Edit to say that I have had to pull the fuse about every 90 minutes. Any thoughts?
__________________
2020 Montana 3813ms legacy w/Paint
2017 Ram 3500 4X4 DRW Aisin Curt Q-25
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02-04-2021, 07:18 AM
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#6
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,654
M.O.C. #24086
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The black 15A self resetting fuse has been known to be unreliable. Try swapping it with one of the blue ones.
Also don’t forget your propane auto switching valve. Link to instructions.
https://www.fairviewfittings.com/pro...ngeover-38165/
Also, when you put in a new tank open the valve really sloooowwwwly. There is an internal safety shut off valve. It you open the tap too fast it thinks there is a leak and triggers the internal shut off valve.
__________________
Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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02-04-2021, 07:51 AM
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#7
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,135
M.O.C. #1920
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Here is a link to the fuse discussion on another post. https://www.montanaowners.com/forums...ad.php?t=80125
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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02-05-2021, 11:50 AM
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#8
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Montana Fan
Join Date: Sep 2018
Location: Orlando
Posts: 338
M.O.C. #22589
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Solution
Solution
I watched a couple of videos on the workings of a furnace and took that knowledge outside. Started and ended with the sail switch. This switch confirms air flow before opening propane solenoid and ignition.
The contacts were oxidized so I cleaned them. 5 minutes in and out.
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02-05-2021, 10:34 PM
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#9
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Sail switches are a constant source of issues here on the forum and they can also stick in the open position which keeps the furnace from coming on again after it shuts down. You can guess how I know that.
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Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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02-05-2021, 11:21 PM
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#10
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Montana Fan
Join Date: Sep 2018
Location: Orlando
Posts: 338
M.O.C. #22589
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Quote:
Originally Posted by DQDick
Sail switches are a constant source of issues here on the forum and they can also stick in the open position which keeps the furnace from coming on again after it shuts down. You can guess how I know that.
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lol, I bet I do! I learned online to look there first, I was surprised that it was the contacts because everything else looked so clean.
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02-06-2021, 06:14 AM
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#11
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Montana Master
Join Date: Oct 2017
Location: Bastrop
Posts: 2,892
M.O.C. #20753
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as many issues that it causes it should be known as the fail switch
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Mocha, one-eyed toothless, hurricane survivor, Pirate dog
2019 20th Anniversary Edition 3701LK
B&W 20K for Ford OEM Puck
2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
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