Ron, The lack of response may indeed be your answer. I didn't reply because it hasn't happened on my watch and I have no idea what would cause what you describe. Allan
> On Sep 15, 2015, at 8:30 PM, RM You <solarea...@solareagle.com> wrote: > > Just wondering if any esteemed wrenches have an idea what could cause this > problem? Customer says nothing unusual happened that he is aware of and the > panels had been working fine for many years but now 4 of 6 panels just quit. > Doesn’t appear to be a diode failure. > > Ron > >> On Sep 11, 2015, at 4:58 PM, RM You <solarea...@solareagle.com> wrote: >> >> I have a customer who has 6 siemens 48w panels that are 20 years old (hooked >> in parallel to a 12v battery). He says that 4 of them have failed in that >> there is no output unless he bypasses the diodes. However he pulled the >> diodes and checked them on a diode check and separately on a battery with a >> light bulb and they appear to be functioning correctly. Any ideas what could >> be causing this anomaly? >> >> Ron Young >> > > _______________________________________________ > List sponsored by Redwood Alliance > > 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 > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/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: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
