<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I would suggest this as I have seen this w/ a fully charged BB.<br class=""><div><blockquote type="cite" class=""><div class="">On Mar 16, 2026, at 9:03 AM, Jason Szumlanski via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" class="">re-wrenches@lists.re-wrenches.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class=""><div class=""><div class="">Yes, all 4 are set to 60Aac Input and 14Aac Charging. </div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">The masters are ports 1 and 7 with slaves on ports 2 and 8. </div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">Everything seems to be configured properly. </div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">I'm thinking during my testing the batteries were too close to the end of the bulk phase. This is a 1300aH lead acid battery bank. I'm going to try to drain them down and turn off PV charging and see what happens. I just thought it was odd because the two masters clearly indicated BULK charging. I would have thought all four inverters would share the charging during the bulk phase. </div><div class=""><br class=""></div><div data-smartmail="gmail_signature" class=""><div dir="ltr" class=""><br class="">Jason Szumlanski<div class=""><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px" class="">Principal Solar Designer | Florida Solar Design Group</span><br style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px" class=""><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px" class="">NABCEP Certified Solar Professional (PVIP)</span><br style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px" class=""><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px" class="">Florida State Certified Solar Contractor CVC56956</span></div><div class=""><font color="#333333" face="Roboto, RobotoDraft, Helvetica, Arial, sans-serif" class="">Florida Certified Electrical Contractor EC13013208</font></div></div></div><br class=""><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Mon, Mar 16, 2026, 8:58 AM Jay <<a href="mailto:jay.peltz@gmail.com" class="">jay.peltz@gmail.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto" class=""><div dir="ltr" class=""></div><div dir="ltr" class="">And you set each inverter ac input amps as well?</div><div dir="ltr" class=""><br class=""></div><div dir="ltr" class="">Jay</div><div dir="ltr" class=""><br class=""><blockquote type="cite" class="">On Mar 16, 2026, at 6:40 AM, Jason Szumlanski via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank" rel="noreferrer" class="">re-wrenches@lists.re-wrenches.org</a>> wrote:<br class=""><br class=""></blockquote></div><blockquote type="cite" class=""><div dir="ltr" class=""><div dir="auto" class=""><div class="">I inherited am off-grid service client with four FXR3048A configured in 120/240 split phase with one master and one slave per leg. I believe I configured all of the AC input charging parameters correctly, requesting max charge rate from each inverter. However, when AC input is present (from a generator) the masters will bulk charge, but the slaves do not charge at all. The slaves do share the load, but show 0.0kW for charging.</div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">Any ideas?</div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">Jason Szumlanski </div><div dir="auto" class="">Florida Solar Design Group </div><div data-smartmail="gmail_signature" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><b class=""></b></div></div></div></div></div></div></div></div>
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<div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class="Apple-interchange-newline"><br class=""></div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class=""></div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Blair “TUMP” May</div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">Solarwinds Northernlights east</div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">"We must all learn to live together as brothers,</div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"> or we all will perish as fools."</div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">MLK</div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br class=""></div><br class="Apple-interchange-newline"></div></div><br class="Apple-interchange-newline" style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class="Apple-interchange-newline">
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