Kyocera had a batch of 120s and 85s that had bad solder connections from a certain year. I'm not remembering the year at the moment but we are still finding them.
Kyocera has been really amazing about honoring the warranty. On Jul 2, 2016 2:52 PM, "Jerry Shafer" <[email protected]> wrote: > Wrenches > Bypass diods fail and may short > Jerry > On Jul 2, 2016 1:49 PM, "frenergy" <[email protected]> wrote: > >> I just came upon a small off-grid system: 12 volt, 4, Kyo 120's (I,mppt= >> 7.1A; Voc = 21.7 or so), Trace C40 with display, etc. The combiner has >> fuses for each PV/landing. At noon, output of the array is 10.5 amps. >> Clamping the 4 pvs I get 5.5 amps on 2 PVs and 0.0 on 2 others. I >> disconnect leads from terminals in PV j-box of the 'dead' PVs and I get >> Voc=18.5 (pretty hot day) and Isc= 6 amps. However when I reconnect these >> same PVs to the combiner there is no change in combined amps. Fronts and >> backs of PVs look good, no burns, browns, bubbles in backsheet, under the >> glass looks fine, its all good. Inside the J-boxes look perfect/new. >> Ideas? >> Thx, >> Bill >> >> Feather River Solar Electric >> Bill Battagin, Owner >> 4291 Nelson St. >> Taylorsville, CA 95983 >> 530.284.7849 >> CA Lic 874049 >> www.frenergy.net >> >> >> _______________________________________________ >> 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 >> >> > _______________________________________________ > 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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