Hey Marco,
I hear you, we have installed many SMA-40's and we're not
at the same point as you may be but we've definitely had a fair number
of arc fault shut-downs which take a site visit to rectify. One
location had been experiencing lightening over a year and a half which
Aloha all,
My company has really been struggling with the SMA US-40 line of inverters
and incredibly disruptive to positive customer experiences bogus arc
faults.
We were told by our SMA friends that a firmware update/fix was forthcoming
in mid-August and we’ve heard nor received nothing last
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