<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Sounds like he has a 24V inverter. What does the serial number tag on the top of the unit say about that verses the silkscreen part numbers on the relay board and computer board(s) under the hood?<br><br><div dir="ltr"><div class="" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; -webkit-text-size-adjust: auto;"><div class="ApplePlainTextBody">Maverick Brown<br>Off-Grid Solar Commander since 2006<br><b>Maverick Solar Enterprises, Inc.</b></div><div class="ApplePlainTextBody"><b> \u2022 Solar Commander Remote Power</b></div><div class="ApplePlainTextBody"><b> \u2022 SunFlow Systems Cathodic Protection <br></b>maverick@mavericksolar.com<br>512-460-9825</div><div class="ApplePlainTextBody"><br></div></div></div><div dir="ltr"><br><blockquote type="cite">On Jul 2, 2022, at 6:42 PM, Jay via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">\ufeff<span>Hi all</span><br><span></span><br><span>A buddy called me with the following problem. </span><br><span></span><br><span>He was given a 5548 XW manufactured in 2019 that doesn\u2019t work. As best as we can figure it never worked. Still trying to get that info. </span><br><span>In trying to diagnose, he noticed the transformer is rated at 0-28v and 0-120vac per leg out. I have photos. </span><br><span></span><br><span>When he feeds the transformer with 48vac it produces 480vac out. 240vac per leg. </span><br><span></span><br><span>But it\u2019s a 48v unit?</span><br><span></span><br><span>Anyone have a thought on this? Is it possible that the wrong transformer got put in it? </span><br><span>I know they used to make 24v units?</span><br><span></span><br><span>Thanks</span><br><span></span><br><span>Jay</span><br><span></span><br><span></span><br><span>_______________________________________________</span><br><span>List sponsored by Redwood Alliance</span><br><span></span><br><span>Pay optional member dues here: http://re-wrenches.org</span><br><span></span><br><span>List Address: RE-wrenches@lists.re-wrenches.org</span><br><span></span><br><span>Change listserver email address & settings:</span><br><span>http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</span><br><span></span><br><span>There are two list archives for searching. When one doesn't work, try the other:</span><br><span>https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/</span><br><span>http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</span><br><span></span><br><span>List rules & etiquette:</span><br><span>http://www.re-wrenches.org/etiquette.htm</span><br><span></span><br><span>Check out or update participant bios:</span><br><span>http://www.members.re-wrenches.org</span><br><span></span><br></div></blockquote></body></html>