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Old 04-14-2012, 10:43 PM   #1
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Maiden Voyage

Last night was our trial night. = Fail! We got all set up within 30 minutes including the fire. Took a bit to get the furnace to turn on and when it did it ran for about a hour, releveved the rig and it started back up. 1:30am 34* outside it quit again. Tried to level it, no go. No heat! Even when the furnace was on it was Luke warm at best. How do I fix this? Thank you!!
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Old 04-14-2012, 11:42 PM   #2
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It's a Suburban DD17DSI.
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Old 04-14-2012, 11:50 PM   #3
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May have spider web in has tube.
Also try turning off propane valves and turn them back on very slowly
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Old 04-16-2012, 12:02 AM   #4
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Does anyone else have that furnace?
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Old 04-16-2012, 11:19 PM   #5
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Guess not...
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Old 04-17-2012, 12:33 AM   #6
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My unit is at the service department getting items done off my wish list so I can't check to see which furnace I have. Sorry...
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Old 04-17-2012, 07:36 AM   #7
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Quote:
Originally Posted by Shankster View Post
Guess not...
If you go to the manufacturers web site there
Is most likely a diagnostic flow chart to help u out at
This point. Not sure why you have not gotten a hundred
Different ideas.
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Old 04-17-2012, 09:43 AM   #8
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Does all the other gas appliances work okay? I found that the first time firing up my furnance I had to turn on the stove to get all the air out of the lines first. After that everything worked as designed. Hope this helps.
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Old 04-17-2012, 11:16 AM   #9
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Thoughts for you:

Propane flow:
-Check all other LP systems - stove and HWH. As Ron asked above, are they running normally?
-Are your tanks full?
-Did you open the tanks slowly?
-Could have a little moisture in the propane tanks and, at the temps you were camping at, the regulator might freeze up.

Power:
-Were you on battery or AC? If the battery is low, it might not have enough power to run the fan fast enough anymore to activate the furnace's sail switch or possibly to run the thermostat correctly.

Bad control board:
-If you reset the furnace by turning it off then on again and it works for a while before turning off then I would guess it’s could be a bad control board.

Bad thermostat? Consider replacing with a digital.

Hope this gives you some ideas.
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Old 04-17-2012, 11:33 AM   #10
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I also notice that your trailer is a 2007 so it could be six years old. A burner that is clogged with soot or dirty might be a problem with the low temps you felt when it did work.

Below is a manual for your furnace.
Attached Files
File Type: pdf suburbantech.pdf (804.8 KB, 11 views)
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