Seperate the strings, test the voltage to ground, that will tell you the faulty string and where the fault is. The voltage to ground divided by the Voc should tell you how many strings away the fault is.
On Wed, Feb 6, 2013 at 1:57 AM, Marco Mangelsdorf <ma...@pvthawaii.com>wrote: > Hoo boy....I’ve got a tough one here. Trying to troubleshoot an array > ground fault with a system that has 14 strings mounted on a metal roof with > the whole roof and metal framed building being common to ground.**** > > ** ** > > Can anyone recommend any diagnostic tools out there to troubleshoot and > locate ground faults?**** > > ** ** > > Thanks,**** > > marco**** > > ** ** > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > -- Chris Mason President, Comet Systems Ltd www.cometenergysystems.com Cell: 264.235.5670 Skype: netconcepts
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