Furnace not working in Casita - Page 2 - Fiberglass RV

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Old 01-12-2016, 04:42 PM   #15
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Name: Steve
Trailer: Casita 17 ft DLX SD
NW Wisconsin
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My 2013 Casita's furnace has no pilot light and employs direct spark ignition. I would check first for the two most obvious furnace requirements fuel & 12 VDC power.

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Old 01-12-2016, 08:04 PM   #16
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Name: William
Trailer: Casita SD17
New Jersey
Posts: 193
The furnace is now working. The contacts in the thermostat, which turn on the furnace, needed sanding to remove some kind of residue.

These are the contacts inside the thermostat on the top left. I'm surprised after just a few weeks of use they needed cleaning, though I have been in the Casita for several months before I ever turned on the furnace. I had fiddled with the contacts before, but they looked very clean. I guess there was some kind of build-up I couldn't see.

Thanks for all the help, and I'm glad it wasn't anything serious. It's scary having things stop working when it is below freezing.

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Old 01-12-2016, 09:59 PM   #17
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Name: David
Trailer: 1998 Casita 17 SD
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Maybe time for a digital thermostat mod. Glad you got it working!
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Old 01-12-2016, 10:31 PM   #18
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Trailer: 16' Casita
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Originally Posted by Dudley View Post
Maybe time for a digital thermostat mod. Glad you got it working!
I have a digital thermostat in my Casita and slide in camper.
When winter camping I have a good sleeping bag and a down comforter so I really don't need the furnace at night.
It sure is great to have it come on automatically at 6:30 am though.
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Old 01-12-2016, 10:40 PM   #19
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Name: k
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Originally Posted by whoot View Post
My furnace was working this morning, now it is is completely dead. And it is 16 degrees outside.

The pilot light is not on, and the fan doesn't start when the thermostat is turned on. The LP hot water heater and LP stove both work, so it has propane. I changed the fuse (#8) to the 15amp spare (#4). This is a 2015 SD17. I've been turning it off for a while, and trying to turn it back on.

Any suggestions? Thank God I have a space heater, or I'd be frozen.
oh my god
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Old 01-13-2016, 03:41 AM   #20
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Name: Judy
Trailer: Casita SD
Posts: 6
I have had this problem before and everyone on the Casita forum told me to check my battery. I thought they were crazy. I had the same symptoms as you. Finally checked the battery and that was the problem. If battery is too low the furnace will not come on. No fan, no propane. First thing is to check your vent for mud wasp nest or the like. If this is clogged, no fan no propane. Good Luck,
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Old 01-13-2016, 08:00 PM   #21
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Name: Bill&Laura
Trailer: 1988 Bigfoot Fiver
Posts: 714
Whoot - glad you have the furnace working. You must be tough as nails! We have been worrying about you and sending warm thoughts your way!

"Not all those who wander are lost." J.R.R. Tolkien
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