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Old 09-13-2017, 04:09 PM   #1
2 Rivet Member
2015 25' FB International
San Ramon , California
Join Date: Jul 2015
Posts: 49
Dometic Fridge

Hello Everyone,
Some back story. Plugged the trailer into 240V by accident last month.
I replaced the converter with a Parallax RU55. Had quite a time getting the old one out. The little hex screws must have been torqued in by a gorilla. Striped one so bad I needed vice grips to get it out.
Seems to be working perfectly. Though the front plate doesn't line up quite perfectly. Will be getting back in touch with Parallax.
Anyway, the new issue is that I am pretty sure that I blew out the refrigerator control board. Luckily, that is the only thing that seems to not be working.
I am trying to find a replacement, but am unable to find the anyone offering the actual control board with the same number. Does it have to be the exact match?
Anyone have the same problem?

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Old 09-13-2017, 04:22 PM   #2
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2004 28' Classic
Monument , Colorado
Join Date: Nov 2015
Posts: 733
I replaced the control board for my Dometic A/C unit this summer. The PN was not the same, but I could see that all of the components and shape of the board were the same. I got it and it worked. Ask the supplier to send you a high resolution electronic photo so that you can compare the board he has to your board. Good luck.

2004 Airstream Classic 28 "Willard"
2014 Ford F150 FX4 Ecoboost
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Old 09-13-2017, 05:16 PM   #3
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2016 28' International
2015 28' International
2013 28' International
Las Vegas , Nevada
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Posts: 234
Dometic changes their part numbers constantly, so don't worry about that, just get the board that matches your connector setup, thats all.
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