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Old 06-20-2015, 08:36 PM   #11
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I tend to agree with some of the other posters. Since your headed out on vacation, when you arrive at your destination, plug in. If the A/C works, your golden. Then, you 'll need to address your home shore connection. I bet it's your home shore supply. Just sayin'

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Old 06-20-2015, 08:47 PM   #12
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I had a similar problem with a receptacle at my home when I tried to power the RV. It was a grounding wire problem. A wire nut inside the receptacle box was loose as I recall.

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Old 06-20-2015, 08:47 PM   #13
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You need to check your voltage at home when the air conditioner is "trying" to start. If the voltage drops below 108 volts, everything but the air conditioner will work.

Lou and Laura with Bella - German Short Hair Pointer
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Old 06-27-2015, 08:45 AM   #14
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Originally Posted by Lindgrens View Post
Hello from Kansas. We are new to the forum, but not new to RVing. Since we just bought a Sunseeker and still have so much to learn we joined this forum.

Now, however, we are experiencing a problem and we are looking for any input on it. In May we bought a 2012 Sunseeker 3120 DS. We love the coach even though we haven't done a vacation in it yet. We have spent the last few weeks "making it our home away from home". But, we are having a problem with the ac. The day we bought it from the dealer, just as we were wrapping up the deal, the ac quit. It was late in the day and because the service dept didn't have a transfer switch (which is what they thought the problem was) they gave us a discount on the coach to get it fixed locally (the dealer is about 200 miles from home). We took the coach in to have the transfer switch fixed, but the ac was working fine, as well as everything else, so they didn't fix anything--that was a few weeks ago. Now the ac won't work again (it does work when on the generator), we took it back to the service place and, again, it worked just fine on both generator and when plugged in. So, that was yesterday. Here at home, we are back to the original problem, it won't work when we are plugged in. Any suggestions as to what to look for? My hubby is a pretty handy guy but he can't figure it out. Any input or insight would be greatly appreciated.

Thanks, Colleen and Gene
Does your thermostat work (does it display settings)? I had a similar and intermittent problem on my brand new Sunseeker MH, and after replacing the thermostat (which didn't make any difference) and lots of searching I finally found the problem: one of the wires inside the A/C unit which comes from the thermostat was nicked when they installed the unit and it made poor/intermittent contact. I removed the damaged part and reattached and sealed the wire. It has been working perfectly since. I am sure if I had taken it back to the dealer (50 miles away) it would have worked fine and they would have found nothing (Murphy's Law).

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