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01-15-2024, 02:45 PM
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#21
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Montana Fan
Join Date: Dec 2016
Location: Parts Unknown
Posts: 154
M.O.C. #19318
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I just realized I maybe just told you to tape up cardboard over your head where it might fall down onto a heater! :LOL: Well, you know--always use common sense and your own best judgment when people tell you to do something like that. Cardboard is good in drawers and cabinets, too, where it can't fall down. Reflectix is good, too, though pricey.
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01-16-2024, 08:07 PM
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#22
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Established Member
Join Date: Jan 2024
Location: Landisville
Posts: 13
M.O.C. #33829
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This thing is nothing but windows, have reflex on Windows, vent covers, rugs down in winter bhla bhla bhla. Good thing for electric blanket and my dogs body heat. We're hanging in this together
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01-16-2024, 08:30 PM
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#23
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Montana Fan
Join Date: Dec 2016
Location: Parts Unknown
Posts: 154
M.O.C. #19318
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Quote:
Originally Posted by Ree
Good thing for electric blanket and my dogs body heat. We're hanging in this together
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I know, right!? It's more than a three-dog night here, too! (Except I've got cats.)
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01-21-2024, 01:57 PM
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#24
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Montana Fan
Join Date: Jan 2006
Location: Spokane Valley
Posts: 222
M.O.C. #5255
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Furnace not Responding
If nothing else works, try pulling the furnace fuse, wait 10 seconds, then reinstall furnace fuse. This will force a reset to the furnace control.
Which thermostat is installed?
Good luck getting heat back on.
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01-21-2024, 02:06 PM
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#25
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Montana Fan
Join Date: Jan 2006
Location: Spokane Valley
Posts: 222
M.O.C. #5255
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Don’t forget to get heat to those belly tanks. Heating the inside of rig does not get heat down there. The last thing you want is frozen waste tanks.
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01-21-2024, 02:55 PM
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#26
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Established Member
Join Date: Dec 2017
Location: Leesburg
Posts: 13
M.O.C. #20954
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Quote:
Originally Posted by Ree
Woke up to no heat, thermostat clicks but nothing happens at all with furnace. Moved it to AC and that kicked on... No propane smell on the outside as well. Reset still nothing
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The Fan Sail switch is most likely the issue. Set the Thermostat to off. Remove the furnace access panel on exterior of RV. Turn off the service switch. Carefully remove the sail switch and actuate it by hand a few times. Reinstall the Sail switch . Turn the service switch back on . Reinstall the access panel. Turn on interior thermostat and unit will most likely fire up. These newer units have to prove the sail switch is open prior to starting the blower. Sometimes they just simply get stuck from lack of use. I have to do this to mine every heating season.
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01-21-2024, 04:02 PM
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#27
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New Member
Join Date: Jul 2023
Location: Nashville
Posts: 6
M.O.C. #33090
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I had issues, bought a new thermostat, when I changed it out I found a broken wire were it tied into the terminal block. Worth a check as mine was a 2020 model. I was surprised at the solid core wire used.
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01-21-2024, 04:05 PM
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#28
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Montana Master
Join Date: May 2007
Location: Montgomery
Posts: 506
M.O.C. #7196
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Time for a new Furnace?
I have a 2005 3670
Have used the Suburban furnace a lot since 2007 purchase and replaced the Furnace when the Fan started squealing maybe in 2019...
Not hard to do.
New Furnace MUCH quieter albeit velocity through the vents is slightly reduced.
Good Luck!
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01-28-2024, 01:42 PM
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#29
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Established Member
Join Date: Jan 2024
Location: Landisville
Posts: 13
M.O.C. #33829
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Problem solved,
Did fuse like stated above, hit on off switch on furnace, nothing with bypassing thermostat neither. Always heard the click on AC Unit plus thermostat. Had enough voltage to start so the problem was the furnace control board. This issue was for the Suburban SF-35F
Hope this helps the next and thank you Montana Family
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01-28-2024, 05:39 PM
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#30
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Montana Fan
Join Date: Dec 2016
Location: Parts Unknown
Posts: 154
M.O.C. #19318
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Thanks for the update, and I'm glad you got your heat back!
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01-28-2024, 09:33 PM
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#31
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Established Member
Join Date: Jan 2024
Location: Landisville
Posts: 13
M.O.C. #33829
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Thank you
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01-28-2024, 09:37 PM
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#32
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Established Member
Join Date: Jan 2024
Location: Landisville
Posts: 13
M.O.C. #33829
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It was #3
Thank you for your knowledge
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01-29-2024, 08:21 AM
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#33
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Established Member
Join Date: Jan 2024
Location: Oklahoma City
Posts: 40
M.O.C. #33894
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Mine went out yesterday on my 2023 Monty. Turns out it was the sail switch on the Suburban Furnace. Took it out, toggled the switch, blew it off, put in back in and it started right up!
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