<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">That’s an interesting idea. </div><div dir="ltr"><br></div><div dir="ltr">I wonder if the relay is the problem. </div><div dir="ltr">You could swap the ac input and see if it’s still reading high. </div><div dir="ltr"><br></div><div dir="ltr">Jay</div><div dir="ltr"><br><blockquote type="cite">On Apr 6, 2025, at 7:25 AM, Mac Lewis via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="ltr">Also look for loose connections and corrosion. If it tries to push current and the voltage rapidly rises, it can indicate resistance somewhere. <div><br></div><div>Good luck!</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sun, Apr 6, 2025 at 7:20 AM Maverick Brown via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Maybe the Calibrate setting got changed somehow. <div><br></div><div>OpticsRE: Device Map, Inverter, Calibrate. </div><div><br></div><div>From the Mate: Lock, 141, Settings, Inverter, Calibrate. </div><div><br></div><div><span style="color:rgb(0,0,0)">Make sure the settings are Zero offset or at least appropriate. </span></div><div><br></div><div><div dir="ltr">Thank you,<div><br></div><div>Maverick</div><div><div id="m_1990907044263795720AppleMailSignature" style="color:rgb(0,0,0);font-family:Helvetica;font-size:12px"><div><br></div><div>Maverick Brown<br>Off-Grid Solar Commander since 2006<br>Maverick Solar Enterprises, Inc.<br> • Solar Commander Remote Power<br> • SunFlow Systems Cathodic Protection <br><a href="mailto:maverick@mavericksolar.com" target="_blank">maverick@mavericksolar.com</a><br>512-460-9825</div><div><br></div></div></div><div><br></div></div><div dir="ltr"><br><blockquote type="cite">On Apr 5, 2025, at 1:22 PM, Drake Chamberlin via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
<p><span style="font-size:11pt">A Radian 4048 disconnected from the grid with a high grid voltage error showing on the Mate 3. The Mate 3 was displaying a voltage of 279 - 280 V. The Mate 3 was replaced with another Mate 3, and the high voltage reading remained. </span></p>
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:11pt">When the voltage was checked with two separate multi meters, the readings came out to 249 - 250 V. I believe that the 249 - 250 volt reading is correct. <br></span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:11pt">The incorrect, high voltage reading seems to be coming for the inverter, not the Mate 3, since two Mates were used. </span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:11pt">Has anyone experienced this? </span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:11pt">What could be the cause and solution to the problem?</span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:11pt">Thank you,</span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:11pt">Drake </span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace">
<p>Drake Chamberlin<br><em>Athens Electric LLC<br>OH Electrical Contractor License 44810<br>NABCEP Certified Solar PV Installation Professional<br>740-856-9648<br><br></em></p>
</div>
<div style="margin:0px;padding:0px;font-family:monospace"><br><br>
<div id="m_1990907044263795720signature">-- <br>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
</div>
</div>
<span>_______________________________________________</span><br><span>List sponsored by Redwood Alliance</span><br><span></span><br><span>Pay optional member dues here: <a href="http://re-wrenches.org" target="_blank">http://re-wrenches.org</a></span><br><span></span><br><span>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a></span><br><span></span><br><span>Change listserver email address & settings:</span><br><span><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a></span><br><span></span><br><span>There are two list archives for searching. When one doesn't work, try the other:</span><br><span><a href="https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/" target="_blank">https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/</a></span><br><span><a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a></span><br><span></span><br><span>List rules & etiquette:</span><br><span><a href="http://www.re-wrenches.org/etiquette.htm" target="_blank">http://www.re-wrenches.org/etiquette.htm</a></span><br><span></span><br><span>Check out or update participant bios:</span><br><span><a href="http://www.members.re-wrenches.org" target="_blank">http://www.members.re-wrenches.org</a></span><br><span></span><br></div></blockquote></div></div>_______________________________________________<br>
List sponsored by Redwood Alliance<br>
<br>
Pay optional member dues here: <a href="http://re-wrenches.org" rel="noreferrer" target="_blank">http://re-wrenches.org</a><br>
<br>
List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br>
<br>
Change listserver email address & settings:<br>
<a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" rel="noreferrer" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br>
<br>
There are two list archives for searching. When one doesn't work, try the other:<br>
<a href="https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/" rel="noreferrer" target="_blank">https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/</a><br>
<a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" rel="noreferrer" target="_blank">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br>
<br>
List rules & etiquette:<br>
<a href="http://www.re-wrenches.org/etiquette.htm" rel="noreferrer" target="_blank">http://www.re-wrenches.org/etiquette.htm</a><br>
<br>
Check out or update participant bios:<br>
<a href="http://www.members.re-wrenches.org" rel="noreferrer" target="_blank">http://www.members.re-wrenches.org</a><br>
<br>
</blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div><br></div><div><font color="#305A78" face="'times new roman', serif"><br></font></div><div><br></div>Mac Lewis<br><br><span style="font-family:"Times New Roman";font-size:medium;color:rgb(255,153,0)"><b><font face="Arial, Helvetica, sans-serif" size="3"><p align="left"><font color="#000000" face="Verdana, Arial, Helvetica, sans-serif"><span style="font-size:small"><span style="font-family:arial;font-weight:normal;color:rgb(48,90,120)"><font face="'times new roman', serif">"Yo solo sé que no sé nada." </font><span style="font-weight:700;color:rgb(104,104,104)"><font face="'times new roman', serif">-Sócrates</font></span></span></span></font></p></font></b></span></div>
<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>