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08-13-2015, 05:20 AM
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#1
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Junior Member
Join Date: Mar 2013
Posts: 24
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AC doesn't shut off
Wondering if anyone knows something about this, but my 2013 Sabre TBOK AC unit will turn on and run fine, but it will not shut off. The past couple of nights I have run it my wife says it never shut off. I have had to get up to shut it down from the thermostat. I set it to 72 but it doesn't seem as cold either when it first runs. Any thoughts or suggestions appreciated.
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08-13-2015, 05:34 AM
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#2
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Senior Member
Join Date: Nov 2013
Location: Seaford, De
Posts: 2,377
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depending on the type of unit and type of thermostat, this may be normal. If you have a digital wall thermostat, set the fan to "auto". If your controls on on the unit itself, the fan will run all the time.
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David & Lynn 2014 Coachmen Chaparral Signature 327 RLKS 2016 Ford F350 Lariat CC Dually
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08-13-2015, 06:36 AM
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#3
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by davel1971
depending on the type of unit and type of thermostat, this may be normal. If you have a digital wall thermostat, set the fan to "auto". If your controls on on the unit itself, the fan will run all the time.
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X2
TURBS
08 duramax tuned n modded
2011 32bhok Sabre
2015 camping "24 nights"
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08-13-2015, 07:17 AM
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#4
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Senior Member
Join Date: Mar 2015
Location: N. Illinois
Posts: 2,371
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I've noticed the 13.5K Btu runs a lot longer in this TT over the previous. More sq footage I guess. I don't believe the standard T-stat is super accurate. Have yet to mount just a inexpensive thermometer near the T-stat to check calibration and derive realistic set point for the T-stat. But, I can raise the T-stat setting above where it was and the AC will shut down. The auto setting on the fan is a valid point.
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08-13-2015, 03:23 PM
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#5
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Senior Member
Join Date: Jan 2013
Posts: 194
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What is the outside temp? If it is too hot you never will get it down to 72.
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VMI'62 
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08-13-2015, 06:22 PM
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#6
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Senior Member
Join Date: Dec 2014
Location: Missouri
Posts: 441
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Does anyone know if there's a way to rewire the thermostat on the unit to have the fan turn off when the compressor shuts off? I know it's normal to have the fan running full time, but it's very distracting when the compressor is off. Our unit doesn't have a wall thermostat. Thanks
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08-13-2015, 10:02 PM
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#7
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Senior Member
Join Date: Jun 2015
Location: Pensacola, FL
Posts: 1,645
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Quote:
Originally Posted by gfarmcafe
Does anyone know if there's a way to rewire the thermostat on the unit to have the fan turn off when the compressor shuts off? I know it's normal to have the fan running full time, but it's very distracting when the compressor is off. Our unit doesn't have a wall thermostat. Thanks
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It is easy to rewire any unit so that the fan and the compressor turn on and off together. The problem with this set-up is that the thermostat sensor element is designed to have airflow across it from a constatnt fan, and will not work as well with the fan off. You usually end up with temperature swings of 4 or 5 degrees.
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2015 T12RBST Flagstaff Hardside
Disclaimer: The actual value of my "Two Cents" of advice varies just like a bitcoin.
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08-13-2015, 10:08 PM
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#8
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Senior Member
Join Date: Aug 2014
Location: Texas
Posts: 1,162
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Mine doesn't turn off either but I have it set to 65 deg. and it's 100 here everyday. LOL
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2015 Dodge 3500 6.7L 4X4
2011 CanAm Commander XT 1000
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08-19-2015, 09:38 PM
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#9
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Member
Join Date: Jul 2009
Posts: 58
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I'd put money down that you have your thermostat set to "low" or "high" instead of "auto." The auto setting will run the fan at the appropriate speed but shut it off when the desired temperature is reached. The other two settings leave the fan on continuously.
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08-19-2015, 10:05 PM
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#10
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Senior Member
Join Date: Dec 2014
Location: St Simons Island, GA
Posts: 1,234
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Quote:
Originally Posted by campingguy
I'd put money down that you have your thermostat set to "low" or "high" instead of "auto." The auto setting will run the fan at the appropriate speed but shut it off when the desired temperature is reached. The other two settings leave the fan on continuously.
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X3 Found this out the hard way.
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08-20-2015, 07:08 AM
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#11
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Senior Member
Join Date: Dec 2014
Location: Missouri
Posts: 441
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AC Blower
Quote:
Originally Posted by campingguy
I'd put money down that you have your thermostat set to "low" or "high" instead of "auto." The auto setting will run the fan at the appropriate speed but shut it off when the desired temperature is reached. The other two settings leave the fan on continuously.
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Are you referring to a wall mounted thermostat or one located on the unit? Ours is the latter.
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08-26-2015, 09:11 AM
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#12
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Senior Member
Join Date: Mar 2013
Location: West Michigan
Posts: 506
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If ypurs is on the unit itself I'll bet it stays on all the time. Only the compressor shuts down once the set temperature is achieved.
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2012 F250 Super Duty
2013 Sabre 33CKTS
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08-26-2015, 09:30 AM
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#13
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Junior Member
Join Date: Mar 2013
Posts: 24
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Thanks all! The campground lost power. My thermostat reset to "Low". It took me a night to realize this. I was in the classsic " troubleshoot the worst first" mode rather than the simple more obvious things
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08-26-2015, 02:42 PM
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#14
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Senior Member
Join Date: Mar 2013
Location: West Michigan
Posts: 506
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Glad you got it resolved.
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2012 F250 Super Duty
2013 Sabre 33CKTS
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