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No power to thermostate on Duo Therm 15000

I have a duo therm 15000 btu on my Airstream. From one day to the next the thermostate stopped working. I replaced the thermostate and it still won't come on and turn the ac on. I checked and I have power running to the a/c . It's just not getting thru to the thermostate. Any ideas ?  Thanks, David My air conditioner will not come on. No fan, no hum, nothing. The thermostat works fine for the heater....just nothing for the air. Could it still be a bad thermostat?

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  • steve
    steve May 11, 2010

    Either the stat or the stat wires.

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Posted on Jan 02, 2017

meBNme
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SOURCE: no power to thermostate on Duo Therm 15000

Look for a small fuse somewhere in the control panel. Usually a blade type (car) fuse 3 to 5 amp. Chack to see if its blown. If you have no fuse, or its NOT blown. Check to see if you have voltage comming out of, and going into the transformer.

Thsi is where you would START to diagnose the problem. Check this and we can go further.

Posted on Jan 18, 2009

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