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Old 09-03-2016, 09:11 AM   #1
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Join Date: May 2016
Location: Mundy Twp
Posts: 2
AC Problems - want shutoff

I have a 2012 Eagle Fifth Wheel Model 351 MKTS. The AC in the living room will not shutoff. I replaced the thermostat but it still will not shutoff. The only way to shut it off is to flip the breaker in the fuse box. Has anyone had this problem?

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Old 09-03-2016, 11:00 AM   #2
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Join Date: Oct 2014
Location: Lower Alabama (LA)
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Many years ago I had this problem with my home unit. Turns out the outdoor unit is powered thru a "contactor", which is really just a relay. It uses lower voltage on one side to switch on/connect the higher voltages needed to the compressor. In my case it had arc welded itself to the always on position. It was also full of dead bug parts which may have been a contributing cause.

I was able to take it apart, clean up the contacts and get it running. The next work day I purchased a new one, something like $30?

You may have a similar arrangement.

2008 Jayco Eagle SuperLite 29.5
2014 F250 6.7 PSD 4X4, CC LB
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Old 09-03-2016, 12:03 PM   #3
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Location: East Moriches
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Sounds like a shorted wire or a stuck relay. Does the compressor run or is it fan only.
2015 RAM 3500 SRW, 4X4, 3.73, 6.4 Hemi
2016 Eagle 338rets, Maxxis Tire Upgrade, Slide Toppers, Backup Camera, 2 - 15K AC units
Blue Ox Sway Pro Hitch, 2000 lb. Bars, Tire Minder (also on both spares), Lippert under chassis storage.
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Old 09-03-2016, 07:48 PM   #4
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Location: Mundy Twp
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Not sure

I'm not sure I'll check in morning
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ac problems

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