[RE-wrenches] Unusual problem with SMA TL inverter on metal roof

[Gregory Seelhorst]

Marco

What is the make and model of the modules?   SPR-327s perhaps?

Greg
On Mar 14, 2014 4:53 AM, "Marco Mangelsdorf" <marco at pvthawaii.com> wrote:

>  Friends,
>
>
>
> We have run across an odd technical problem at our commercial install at a
> laundromat on our island.   Attached is the description of the issue from
> SMA.  We don't know much except that we are switch out the TL inverters to
> the old style US inverters because SMA has no fix for the phantom ground
> tripping.  The issue is beyond our feeble understanding.
>
>
>
> Any observations to share?
>
>
>
> Thanks,
>
>
>
> marco
>
>
>
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