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Old 06-08-2018, 01:46 PM   #1
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Transfer switch?

Hi all. We purchased a 1997 Monaco Executive a couple of months back. We had a 50amp plug wired at our home to leave the coach plugged into. Shore power had always functioned properly. We plugged into our new plug...nothing. After much troubleshooting, we have found that the only way to have coach power when "plugged in" is to manually activate the contact coil on the shore side of the transfer switch. Nothing appears burnt or corroded. My question is, is there another solution, or is it necessary to replace the entire switch? Any info is much appreciated. Signed, RV Rookies
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Old 06-08-2018, 02:10 PM   #2
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Welcome to irv2.
You checked the wiring in transfer swiith for any loose wiring correct or this can result.
Your house outlet is wired correctly correct or if not all your electronics can become disabled.
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If you run your Gen everything works correctly?
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Old 06-08-2018, 02:29 PM   #3
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If you have a AC volt meter, check the new outlet like this.

Does everything in your MH work when you manually hold it in or only some things. If only some things work, that is a clue that the new plug has a problem.

The coil in your transfer switch is powered by one of the hot legs of the shore cord. If the one hot leg, that pulls in the coil, is not hot, it won't work.Click image for larger version

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Old 06-08-2018, 06:39 PM   #4
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If its the transfer switch and not the outlet, you may be able to find a replacement solenoid (contactor) and just replace that. Identifying the part and finding a supplier may be a challenge, but it's a cheaper fix if you can. Otherwise, replace the whole ATS.

Here's one replacement for the ATS:


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Home is in the Ocala Nat'l Forest near Ocala, FL
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Old 06-09-2018, 10:50 AM   #5
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i replied re our xfer switch in the monaco owners forum.
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Old 06-09-2018, 11:06 AM   #6
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Originally Posted by Radacravitz View Post
i replied re our xfer switch in the monaco owners forum.
So did I.
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Old 06-09-2018, 08:09 PM   #7
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Thanks for posting this! Good info.
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switch, transfer switch

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