I have several dozen older Sanyo’s installed from that period. Are there any obvious physical degradations to look for or specific tests that can show issues? I don’t have a megger but have two systems installed in grid tied systems and a couple off-grid. No performance complaints as yet.
Ron > On May 13, 2018, at 11:51 AM, Jerry Shafer <[email protected]> wrote: > > Kirk > I dont know if you know this but Panisonic will warranty the old Sanyos, just > got this from a rep last week.the issue you are having may be due to the > failing of the back sheet under the frame edge. > Jerry > > On Sun, May 13, 2018, 6:04 AM Kirk Herander <[email protected] > <mailto:[email protected]>> wrote: > I now have two systems with older Sanyos(Panasonic), circa 2004, which > consistently fail the inverter (Solaredge) startup Insolation test in wet > weather. Usually 200 – 550 kohms, just below the inverters 600k limit. > Confirmed by my meggering. I discovered this after convincing the owners to > upgrade the inverters from old SMA’s which don’t test for it. Anyone else see > this issue in older panels, in particular Sanyos? > > > > Kirk Herander > > Owner|Principal, VT Solar, LLC > > Celebrating our 27th Anniversary 1991-2018 > > www.vermontsolarnow.com <http://www.vermontsolarnow.com/> > dba Vermont Solar Engineering > > NABCEPTM 2003 Inaugural Certificant > > VT RE Incentive Program Partner > > 802.863.1202 > > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > <mailto:[email protected]> > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > <http://www.mail-archive.com/[email protected]/maillist.html> > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> > > Check out or update participant bios: > www.members.re-wrenches.org <http://www.members.re-wrenches.org/> > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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