Jason, Feedback from SMA is that this issue is the result of a "bad batch" of components from one of their suppliers - seems to be related to one of the internal relays. We have fielded no less than a dozen of these error codes, and they have always resulted in an RMA. As Gary pointed out you can likely arrange for the replacement over the phone and save yourself a trip.
I still believe SMA has some of the most knowledgable and devoted support representatives in the industry. Unfortunately, though, I too have noticed a sharp uptick in time spent waiting to get ahold of someone whenever I call them. -- Corey Shalanski Joule Solar New Orleans, LA Date: Tue, 28 Jun 2016 17:28:27 +0000 > From: Gary Bassett <g...@hudsonsolar.com> > To: RE-wrenches <re-wrenches@lists.re-wrenches.org> > Subject: Re: [RE-wrenches] K1-Open Fault on SMA SB > > Jason, save the visit and spend the time on the phone with SMA, everyone > I?ve been on has resulted in an inverter replacement. SMA has done this > over the phone and has not required an onsite visit, unless you do not have > the serial #. > > Gary >
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