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11-27-2018, 09:25 PM
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#1
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Montana Fan
Join Date: Feb 2014
Location: Winnipeg
Posts: 210
M.O.C. #14048
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Furnace issue
In the last few weeks when I have turned on the furnace it will runs for 10-15 seconds, not generate any heat and then will turn off. It has done this before when I have forgotten to open the propane tanks. I have checked and both tanks are open and the indicator is green and both tanks are nearly full.
There has been a couple of times in the past few weeks when I turned the furnace on and it worked. Once temp got up to thermostat setting it turned off but then when the thermostat called for heat the furnace would turn on but not generate any heat and turn off after 10-15 seconds.
Any ideas?
__________________
Bruce & Lori & Charli our 60# lap dog
2017 F350 Lariat, 6.7L, 6 1/2' box, Reece 18k Elite
2015 Mountaineer 331RLT, Dual pane windows, Dual A/C, Fireplace, 5th Airborne Sidewinder, Sailun tires.
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11-27-2018, 10:25 PM
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#2
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,690
M.O.C. #12947
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Assuming the furnace is really OK, it may be possible that one of the propane pigtails has set the excess flow valve and is not allowing sufficient gas flow to make the furnace work. The fix is to turn off the gas valves on the tanks, disconnect the pigtails from the tanks, then reconnect the pigtails, and then SLOWLY open the gas valves on the tanks. Then give the furnace another try. Good luck.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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11-28-2018, 10:16 AM
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#3
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Montana Fan
Join Date: Feb 2014
Location: Winnipeg
Posts: 210
M.O.C. #14048
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Quote:
Originally Posted by rohrmann
Assuming the furnace is really OK, it may be possible that one of the propane pigtails has set the excess flow valve and is not allowing sufficient gas flow to make the furnace work. The fix is to turn off the gas valves on the tanks, disconnect the pigtails from the tanks, then reconnect the pigtails, and then SLOWLY open the gas valves on the tanks. Then give the furnace another try. Good luck.
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Thanks for the suggestion. Gave it a try but no success. The furnace has worked off and on a few times so pretty sure the furnace itself is working. Our stove top works which is past the furnace so I know gas is flowing. Must be a valve in the furnace that won't open.
I have unplugged all wires I can easily get to hoping it would reset. No success so far. Guess I will have to take it to a dealer when we get to Tucson
__________________
Bruce & Lori & Charli our 60# lap dog
2017 F350 Lariat, 6.7L, 6 1/2' box, Reece 18k Elite
2015 Mountaineer 331RLT, Dual pane windows, Dual A/C, Fireplace, 5th Airborne Sidewinder, Sailun tires.
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11-28-2018, 01:03 PM
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#4
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Have you checked the gas nozzle to see if a bug has built a web in there? Also check the exhaust to see if there's a wasp nest in there.
__________________
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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