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Old 05-14-2012, 12:18 PM   #1
Surveyor Fan
Join Date: Jan 2012
Posts: 7
Furnace Question

Not that it's going to be a problem through the summer, but….

We just got back from a weekend trip to Cincinnati in our 2007 SV-235RS, and it got pretty chilly at night. I turned on the furnace, and the fan cranked right up, but after about 2 minutes it turned off without delivering any warm air. I tried this several times, and no dice. The furnace was working perfectly 3 weeks ago on a trip to Raleigh.

My first thought was that I was running out of propane, but the rest of my appliances (water heater, stove, fridge, oven) were all working just fine for the whole trip.

I don't want to mess too much with it (I'm not into things blowing up on me!), but I wanted to see if there was anything obvious that y'all think I might be missing?


2007 Surveyor SV-235RS
2011 Ford Econoline E-350 XLT Wagon
Plenty o' room for me, my wife, and our six kids!
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Old 05-14-2012, 01:53 PM   #2
Site Team - Lou
Herk7769's Avatar
Join Date: Oct 2009
Location: South Eastern PA
Posts: 19,831
The furnace is the biggest user of propane bar none in the camper.
If you can get 3 strong burners on high then propane "supply" can be ruled out.

I have attached a troubleshooting guide for the Suburban furnace to help you. Pay particular attention to the reset instructions and the "sail" switch" portions.

If the furnace fails to light 3 times it will go into "lockout" and will require complete removal of 12VDC to reset the control board.
Attached Files
File Type: pdf suburbantech.pdf (804.8 KB, 48 views)

Lou and Laura with Bella - German Short Hair Pointer
2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
2010 Flagstaff 8526RLWS - Superglide 3300
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