HI John, Yes Its my understanding that they are backwards compatible.
So put the newer inverter as master, older as slave should work. Jay > On Mar 20, 2022, at 8:14 AM, John Blittersdorf <[email protected]> > wrote: > > Wrenches, I just added a 2nd VFX3648 stacked as SLAVE L1 to increase charging > of his new eVault 18.5 from 12kw Kohler gen. It connects to the generator but > doesn’t charge. I read in the manual that both inverters must be the same > firmware revision. Once hooked up I found that the added inverter was rev > #68 and the original one rev 61. Would it be possible to switch which > inverter is the master and have the newer one recognize the older one.? > Otherwise is my only option to put a new control board in the original > inverter? And possibly also in the new one. Anyone know what the latest rev > or last one was? > > John Blittersdorf > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > 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/[email protected]/ > 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: [email protected] 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/[email protected]/ 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

