<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">Hi John</div><div dir="ltr"><br></div><div dir="ltr">If these are older non A versions you can\u2019t update the firmware without a board change. </div><div dir="ltr">Best practice is inverter with newest firmware as master and see if that works </div><div dir="ltr"><br></div><div dir="ltr">Let us know. </div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br><blockquote type="cite">On May 11, 2025, at 8:20\u202fPM, John Blittersdorf via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">\ufeff<div dir="ltr">It was 30 ADC. And it happened after adding the second inverter to increase charge rate. I just checked last info on Optics <div>and found that the 2nd inverter is newer firmware (61 and 68) . I had made sure all other settings were identical on both inverters but didn't look at firmware. <div>Now I realize the 2nd inverter may be fighting with the first one if they have different firmware. Guess I better start there and update the older inverter if possible.</div><div> Actual charge rate was also half of what it should be based on AC charge current settings.</div><div><br></div><div>John </div></div><div><br></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sun, May 11, 2025 at 10:48\u202fAM Jay 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">Hi John<br>
<br>
Do you mean 30 amps dc or AC from the inverter? <br>
<br>
Regardless I can only think the issue is programming. <br>
<br>
Is this a new issue after new equipment or ?<br>
<br>
Jay<br>
<br>
<br>
> On May 10, 2025, at 7:17\u202fPM, John Blittersdorf via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br>
> <br>
> \ufeff<br>
> The system is Flexware 500 with 2 VFX3648 Master and slave L1, with FM100. There are 2 Fortress eVault batteries and MATE3s and HUB. We had a problem with charging going between 0 and approx 30 amps DC. The current would climb up in about 10 seconds and then slowly go back to 0 in about the same amount of time and then repeat. For some reason when we unplugged the FM100 from the HUB, charging would resume at about 40 ADC continuous from the generator.. This happens when the sun is out and when dark so the solar input is having no effect on this strange behavior. Any ideas?<br>
> <br>
> John Blittersdorf<br>
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