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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">Jerry/Wrenches:</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">I have another almost identical system on Optics. The other system charges correctly. I compared all of the settings and found one difference:</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">On the problem system the Grid Input was set to Generator. On the functioning system it was set to Support. This should not matter because Input Priority is set to Generator on both.</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">In the Mate, both system are set with identical parameters. The Generator type is AC Generator. Even though this should not apply the DC Absorb Voltage is set to 76 on both.</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">I changed the one different setting: Grid Input from Generator to Support. If the Support setting does not fix the problem it is time for a factory reset.</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">I did note the coincidence of a charge limit of 52 VDC on the two threads.</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">William</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">Miller Solar</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">805-438-5600</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"><a href="http://www.millersolar.com/"><span style="color:blue">www.millersolar.com</span></a></span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">CA Lic. 773985</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Jerry Shafer [mailto:<a href="mailto:jerrysgarage01@gmail.com">jerrysgarage01@gmail.com</a>] <br><b>Sent:</b> Saturday, December 13, 2025 2:01 PM<br><b>To:</b> RE-wrenches<br><b>Cc:</b> William Miller; Steve Higgins<br><b>Subject:</b> Re: [RE-wrenches] VFXR3648A battery charging</span></p><p class="MsoNormal"> </p><div><p class="MsoNormal">William, wrenches,</p><div><p class="MsoNormal">As l am sure you know the pv comes from the CC and the gen charge cones from the inverter., I would suggest digging into the mate and look at the setting in the inverter, make sure you have it set to gen not grid and all your settings are gen. Resetting would be way down the list to do.</p></div><div><p class="MsoNormal">Fun times</p></div><div><p class="MsoNormal"> </p></div></div><p class="MsoNormal"> </p><div><div><p class="MsoNormal">On Sat, Dec 13, 2025, 1:53 PM Steve Higgins via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:</p></div><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in"><div><div><p class="MsoNormal">The other setting that could affect this is the DC Generator Setting in the AGS menu. </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">For a Normal 48V system, this is generally set to around 70volts... Many see this and panic and set it down. Even if you have DC Gen set to no, it'll still affect charging. <br><br>This screenshot is assuming 24V... <br><br><img border="0" width="878" height="526" id="_x0000_i1025" src="cid:image002.png@01DC6CE9.3F363850" alt="image.png"><br><br><br>If they have the DC Gen set to 52 volts, it'll charge to 52 for a time and then shut off. </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"> </p></div><div><div><table class="MsoNormalTable" border="1" cellspacing="4" cellpadding="0" width="858" style="width:367.5pt"><tr style="height:46.5pt"><td style="padding:.75pt .75pt .75pt .75pt;height:46.5pt"><p class="MsoNormal"><img border="0" width="100" id="_x0000_i1026" src="https://storage.googleapis.com/bucket-images-sig/RollsbySurrette.jpg"></p></td><td rowspan="2" style="padding:.75pt .75pt .75pt .75pt;height:46.5pt;border-style:hidden"><p class="MsoNormal"><strong><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#d8001d">Steve Higgins</span></strong><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#d8001d"> </span><strong><span style="font-size:8.0pt;font-family:"Cambria Math","serif";color:black">⋅</span></strong><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#d8001d"> </span><strong><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black">Technical Services Manager</span></strong></p><p class="MsoNormal"><strong><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:#d8001d">t</span></strong><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:#d8001d"> </span><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:black">+1.902.597.4020</span><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:#d8001d"> <strong><span style="font-family:"Arial","sans-serif"">m</span></strong> </span><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:black">+1.206.790.5840</span></p><p class="MsoNormal"><strong><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:#d8001d">f</span></strong><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:#d8001d"> </span><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:black">+1.902.597.8447</span><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:#d8001d"> <strong><span style="font-family:"Arial","sans-serif"">e</span></strong> </span><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:black"><a href="mailto:steve@surrette.com" target="_blank">steve@surrette.com</a></span></p></td></tr><tr style="height:22.9pt"><td style="padding:.75pt .75pt .75pt .75pt;height:22.9pt;border-style:hidden"><p class="MsoNormal" align="center" style="text-align:center"><b><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:black"><img border="0" width="24" height="24" id="_x0000_i1027" src="http://cdn3.iconfinder.com/data/icons/free-social-icons/67/facebook_square_gray-24.png"><img border="0" width="24" height="24" id="_x0000_i1028" src="https://cdn3.iconfinder.com/data/icons/free-social-icons/67/instagram_square-24.png"><img border="0" width="24" height="24" id="_x0000_i1029" src="http://cdn3.iconfinder.com/data/icons/free-social-icons/67/youtube_square_gray-24.png"><img border="0" width="24" height="24" id="_x0000_i1030" src="http://cdn3.iconfinder.com/data/icons/free-social-icons/67/linkedin_square_gray-24.png"></span></b></p></td></tr><tr style="height:47.25pt"><td colspan="2" style="padding:.75pt .75pt .75pt .75pt;height:47.25pt;border-style:hidden"><div><div class="MsoNormal" align="center" style="text-align:center"><hr size="4" width="100%" align="center"></div></div><p class="MsoNormal" style="text-align:justify;line-height:0%"><span style="font-size:6.0pt;font-family:"Arial","sans-serif"">CONFIDENTIALITY: The information transmitted herein is intended only for the addressee and may contain confidential, proprietary and/or privileged material. Any unauthorized review, distribution or other use of or the taking of any action in reliance upon this information is prohibited. If you receive this email in error, please contact the sender and delete or destroy this message and all copies.</span></p><div><div class="MsoNormal" align="center" style="text-align:center"><hr size="4" width="100%" align="center"></div></div></td></tr></table><p> </p></div></div><p class="MsoNormal"> </p></div><p class="MsoNormal"> </p><div><div><p class="MsoNormal">On Sat, Dec 13, 2025 at 1:17 PM William Miller via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:</p></div><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in"><div><div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif";color:#1f497d">Jay:</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif";color:#1f497d">Thanks for that. I always thought re-bulk only applied if you had 24/7 AC input which we do not. I made the adjustment and we will see what happens.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif";color:#1f497d">William</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Arial","sans-serif";color:#1f497d">Miller Solar</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Arial","sans-serif";color:#1f497d">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Arial","sans-serif";color:#1f497d">805-438-5600</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Arial","sans-serif";color:#1f497d"><a href="http://www.millersolar.com/" target="_blank">www.millersolar.com</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Arial","sans-serif";color:#1f497d">CA Lic. 773985</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1f497d"> </span></p></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Jay [mailto:<a href="mailto:jay.peltz@gmail.com" target="_blank">jay.peltz@gmail.com</a>] <br><b>Sent:</b> Saturday, December 13, 2025 12:11 PM<br><b>To:</b> <a href="mailto:william@millersolar.com" target="_blank">william@millersolar.com</a>; RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] VFXR3648A battery charging</span></p></div></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">You have to set the rebulk volts higher, higher than what ever you start the generator. </p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Say 56 or so. </p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Jay</p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"> </p><p class="MsoNormal" style="margin-bottom:12.0pt">On Dec 13, 2025, at 11:56 AM, William Miller via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:</p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Tahoma","sans-serif""></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif"">Friends:</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif""> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif"">I have a client with one VFXR3648A inverter off-grid with PV and a generator. The inverter is set to bulk at 58.2 VDC for 2 hours but when the generator is required the voltage never gets above 52 VDC. The PV gets the voltage up to the 58 volt zone reliable.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif""> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif"">The original generator was a portable of about 3 Kw. I thought it was not providing enough RMS power so we upgraded to a Kohler vertical shaft 12 kW air cooled unit. The problem is still the same: The bulk voltage of the batteries never gets above 52 VDC.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif""> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif"">On my next visit I plan on resetting the inverter to factory defaults. Other than that I am not sure what to try. I have little luck reaching Outback tech support in the last year so I am hoping someone here can provide some advice.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif""> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif"">Thanks in advance.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif""> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif"">William</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Verdana","sans-serif""> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Arial","sans-serif"">Miller Solar</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Arial","sans-serif"">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Arial","sans-serif"">805-438-5600</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Arial","sans-serif""><a href="http://www.millersolar.com/" target="_blank">www.millersolar.com</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Arial","sans-serif"">CA Lic. 773985</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><p class="MsoNormal" style="margin-bottom:12.0pt">_______________________________________________<br>List sponsored by Redwood Alliance<br><br>Pay optional member dues here: <a href="http://re-wrenches.org" 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" 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/" 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" 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" 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" target="_blank">http://www.members.re-wrenches.org</a></p></div></blockquote></div></div><p class="MsoNormal" style="margin-bottom:12.0pt">_______________________________________________<br>List sponsored by Redwood Alliance<br><br>Pay optional member dues here: <a href="http://re-wrenches.org" 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" 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/" 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" 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" 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" target="_blank">http://www.members.re-wrenches.org</a></p></div></blockquote></div><p class="MsoNormal" style="margin-bottom:12.0pt">_______________________________________________<br>List sponsored by Redwood Alliance<br><br>Pay optional member dues here: <a href="http://re-wrenches.org" 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" 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/" 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" 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" 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" target="_blank">http://www.members.re-wrenches.org</a></p></blockquote></div></div></body></html>