Jay, This is a sealed lead acid battery bank. So no smarts from the batteries here!
Cheers, Dave On Thu, May 29, 2025, 8:04 PM Jay via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > I guess that means the inverter isn’t getting its voltage reading from the > battery. > Assuming a it’s closed loop. > Jay > > On May 29, 2025, at 10:41 AM, Dave Tedeyan via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > > > Dana, > Having two inverters makes this a little easier in a sense. One inverter > matches my meter. The other inverter is reading 0.6v lower than my meter. > > Sol-Ark suggested a factory reset, and a firmware update. After both of > those, I am still seeing the same voltage difference. > > In case this means anything to anyone, the first inverter (master, reading > a lower voltage) was installed in 2021. The second inverter was just > installed recently. I also had to swap out the MCU board on that master > inverter in order to get the firmware to match on both inverters. > > Cheers, > Dave > > On Thu, May 29, 2025, 11:33 AM Dana Orzel via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > >> Verify with a second or third meter. >> >> >> >> _________________________________________________________ >> >> Dana Orzel GREAT SOLAR WORKS! >> >> C – 208.721.7003 E – d...@solarwork.com >> >> W - www. greatsolarworks.com www.solarwork.com >> >> *“Responsible Technologies for Responsible People since 1988!”* >> >> >> >> >> >> ---------- Forwarded message ---------- >> From: Dave Tedeyan via RE-wrenches <re-wrenches@lists.re-wrenches.org> >> To: RE-wrenches <re-wrenches@lists.re-wrenches.org> >> Cc: Dave Tedeyan <d...@sungineersolar.com> >> Bcc: >> Date: Wed, 28 May 2025 19:32:13 +0000 >> Subject: [RE-wrenches] Sol-Ark battery calibration >> Does anyone know whether you can calibrate the battery voltage on Sol-Ark >> inverters? I am on site with two 12k-p inverters. My meter agrees with one >> of them, and the other inverter (the master) is displaying 0.6v lower than >> both my meter and the other inverter. >> >> I have gone through two tech support people who are not being much help. >> >> There are lead acid batteries here. >> >> Thanks! >> -Dave >> >> >> [image: Logo] <https://www.sungineersolar.com/> >> Dave Tedeyan, P.E. >> Owner | Sungineer Solar >> p: he | him | his >> a: 1653 Slaterville Rd. | Ithaca, NY 14850 >> w: www.sungineersolar.com <http://www.sungineersolar.com/> >> c: (607) 270-0370 >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org >> >> _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
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