We have a Duo-Therm thermostat in a 2004 Teton Laramie. It runs the air conditioner, furnace, heat pump, and a fan only
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Customer: We have a Duo-Therm thermostat in a 2004 Teton Laramie. It runs the air conditioner, furnace, heat pump, and a fan only option. In the last day or so, we noticed it seemed the furnace wasn't always kicking in when it should. I could turn up the digital setting, but it wasn't consistent. Tonight, the furnace isn't turning on, there's light to the thermostat but the numbers and words are absent. Is there a battery connected to the thermostat?
Answered by Robert in 18 mins 8 years ago
Robert
12+ years of experience
37,712 satisfied customers
Specialities include: Auto Body Technician, Heavy Equipment Repairs, Heavy Duty Engine Repairs, Brake and Transmission Repairs
Hi my name is Robert...
Can you tell me how many buttons are on your Duo Therm T-stat? They have dozens of them. IS this a comfort control with 4 or 5 buttons running in a row?
Thanks, Robert
Can you tell me how many buttons are on your Duo Therm T-stat? They have dozens of them. IS this a comfort control with 4 or 5 buttons running in a row?
Thanks, Robert
Customer
Yes, it says Comfort Control, and it has 5 buttons in a vertical line, from the top: Mode, Fan, Up, Down, Zone.
OK
That thermostat is all 12 volt DC it talks to an upper circuit board in the AC unit. Make sure you have good DC voltage to start. Next you can try and reset the thermostat.... Turn the thermostat OFF, next hold the top and bottom buttons at the same time and turn the T-stat back ON, you should see FF, then release the buttons and see if it is restored, if not from what you are describing it sounds like a bad T-stat. Also anytime you unplug the thermostat or with a new thermostat you have to do that reset.... Hope this helps IF you have more questions or concerns please feel free to contact me... Robert
That thermostat is all 12 volt DC it talks to an upper circuit board in the AC unit. Make sure you have good DC voltage to start. Next you can try and reset the thermostat.... Turn the thermostat OFF, next hold the top and bottom buttons at the same time and turn the T-stat back ON, you should see FF, then release the buttons and see if it is restored, if not from what you are describing it sounds like a bad T-stat. Also anytime you unplug the thermostat or with a new thermostat you have to do that reset.... Hope this helps IF you have more questions or concerns please feel free to contact me... Robert
Customer
I tried the reset, and FF doesn't appear. The illuminating green panel light appears, and the words Zone 1 2 at the bottom of the window are always there, even with it off. But no "FF".Before deciding it's a bad T-stat, should I check the fuse panel? We have large one underneath the front storage, driver's side, in a sliding access panel.
It would not be a bad idea to check but if you are getting the light coming on with the zone words then it is getting power. There is an outside chance the circuit board is also at fault but without a test thermostat hard to say 100%, from what you are saying leading up to this to me it sounds like the thermostat... Robert
Customer
Ugh, that's what I was afraid of. Can you recommend a couple good online resources for like thermostats? Where we are, there aren't any really good RV stores.Thanks!
OK
Camping world sells these, below is a link for you, copy and paste that in your browser.....
http://www.campingworld.com/shopping/item/duotherm-a-c-5-button-comfort-control-center-new-style-/21759
Thanks! Robert
Camping world sells these, below is a link for you, copy and paste that in your browser.....
http://www.campingworld.com/shopping/item/duotherm-a-c-5-button-comfort-control-center-new-style-/21759
Thanks! Robert
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