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Old 05-12-2018, 12:06 PM   #1
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A/C Themostat

I have a George Town 378 2014. We just started our trip and after setting up and sitting down to relax I noticed the coach got cold but the thermostat never turned off the A/C . That was both units front and back they just continue to run. All of our other trips the A/C would reach the set temp and turn off. Has anybody had this problem and if so how was it fixed.
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Old 05-12-2018, 12:35 PM   #2
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What year and model thermostat do you have?

If it's the Dometic digital thermostat there's a setting under the fan mode to set the fan to AU (automatic) that lets the fan stop when the A/C shuts down. If it's in hi or lo then it runs all the time.

If that's not it, try initializing it and see if that helps.
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Old 05-12-2018, 12:39 PM   #3
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Select Fan then set to AU ( automatic) AC compressor probably shutting off, but fan runs continuously on Hi or LO.
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Old 05-12-2018, 01:01 PM   #4
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Quote:
Originally Posted by joesue5836 View Post
I have a George Town 378 2014. We just started our trip and after setting up and sitting down to relax I noticed the coach got cold but the thermostat never turned off the A/C . That was both units front and back they just continue to run. All of our other trips the A/C would reach the set temp and turn off. Has anybody had this problem and if so how was it fixed.


Turn thermostat to auto must be set on hi or low for fan to stay running like it is
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Old 05-12-2018, 01:55 PM   #5
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My georgetown 378 done almost the same thing,I had both set at 89-90 when I use it last I do this in the summer.I did not change last winter ,we had a cold spell,one air came on and would not shut off.The next day the other air came on and would not shut off.I turn my units on and off and they have not this any more.I thought the cold weather had something to do with it.
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