<div dir="ltr">Hello Wrenches,<div><br></div><div>You may be aware of this but the -92R firmware supposedly has addressed the arc fault issue for the US-40 inverters. See here for the download: <a href="https://www.sma-america.com/service-support/downloads.html">https://www.sma-america.com/service-support/downloads.html</a> It fixed an arc fault issue for me yesterday at least. Bring a thumb drive, the update process took about an hour to perform.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Sep 3, 2019 at 10:40 AM Dave Angelini Offgrid Solar <<a href="mailto:offgridsolar@sti.net">offgridsolar@sti.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><p>Same up here in the southern sierra. I get calls from ABB and a few from SMA to look at systems that people far away installed and as a local 3rd party it can save some money. Whatever they quote me I triple the price. 1/3 up front and the rest when it is done. ABB is really slow with payment. I think they sold their inverter business? Sunpower is a great panel but they have had some bad runs. Probably why there are so many new/used panels on the secondary market. They are great for Offgrid ground arrays and no AFD.</p>
<p>On Tue, 3 Sep 2019 09:52:19 -0400, Dave Tedeyan <<a href="mailto:dtedeyan@taitem.com" target="_blank">dtedeyan@taitem.com</a>> wrote:</p>
<blockquote type="cite" style="padding-left:5px;border-left:2px solid rgb(16,16,255);margin-left:5px;width:100%">
<div dir="ltr">Chris,
<div>Sunpower has taken some responsibility on some of our older Sunpower systems that are arc faulting. We tell them that a system is arc faulting, and then they insist on sending up a 3rd party contractor to inspect the system and potentially install what they call "Tigo Diodes". I am still not exactly sure what that is. It also seems to take them months to send anyone to upstate NY, as we have a bunch of customers that have been waiting months for the 3rd party contractor to come take a look. You likely could only follow this route though if the system was installed by a Sunpower dealer and you are a Sunpower dealer yourself. If the original system was from a Sunpower dealer, you can also have the customer call Sunpower directly.</div>
<div> </div>
<div>Cheers,</div>
<div>Dave<br clear="all">
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<div class="gmail_attr" dir="ltr">On Tue, Sep 3, 2019 at 9:43 AM Chris Schaefer <<a href="mailto:chris@solarandwindfx.com" target="_blank">chris@solarandwindfx.com</a>> wrote:</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">Got called in by another peer to debug that infamous SMA error 8206 on a 2 year old 5kw unit. The array is roof mounted on composite shingles with 14 SunPower 345w modules. First time ever seeing this error on this project. I'd love to hear from others as to what they've found or better yet hear from an SMA rep as to what they suggest. Not a whole lot of detail in the SMA users manual.
<div> </div>
<div>Thanks,</div>
<div>Christopher</div>
<div>
<p style="text-align:center"><span style="font-size:10pt;color:rgb(31,73,125)"><span style="font-family:Arial,sans-serif">Chris Schaefer's<br></span></span><a style="font-size:12.8px" href="http://www.solarandwindfx.com/" target="_blank"><img style="color: rgb(31, 73, 125); font-family: Arial, sans-serif; font-size: 10pt;" src="cid:16d0642bfab527484c21" alt="" width="200" height="40"></a><br><em><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)"><span style="font-size:9pt">Tel/Fax 585-229-2083 or Cell 585-748-1870 </span><span style="font-size:12px"><br></span></span></em><em style="font-size:12.8px"><span style="font-size:10pt"><span style="color:rgb(31,73,125)"><span style="font-family:Arial,sans-serif">5115 South Hill Road ~ Canandaigua New York 14424<br></span></span></span></em><em style="font-size:12.8px"><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(31,73,125)"><a href="http://www.solarandwindfx.com/" target="_blank"><span style="color:blue">www.solarandwindfx.com</span></a> ~ E-mail: <span style="color:blue"><a href="mailto:chris@solarandwindfx.com" target="_blank">chris@solarandwindfx.com</a></span></span></em></p>
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<p style="text-align:center"><span style="font-size:10pt;font-family:Arial,sans-serif;color:black">Thomas Jefferson, the author of our great Constitution, once said, "democracy" will cease to exist when you take away from those who are willing to work and give to those who would not."</span></p>
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<div class="gmail_attr" dir="ltr">On Mon, Sep 2, 2019 at 12:03 PM Jerry Shafer <<a href="mailto:jerrysgarage01@gmail.com" target="_blank">jerrysgarage01@gmail.com</a>> wrote:</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="auto">Wrenches
<div dir="auto">I have had chiller pump contactor along with wells, shop air compressors all create enough of an arc to trigger the inverters. ABB inverters only pick up off the DC but even there l had arc welders trip the inverters. </div>
<div dir="auto">Jerry</div>
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<div class="gmail_attr" dir="ltr">On Mon, Sep 2, 2019, 8:14 AM frenergy <<a href="mailto:frenergy@psln.com" target="_blank">frenergy@psln.com</a>> wrote:</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>Interestingly, the problems I've had with the SMA -40 AFCI faults have been on Comp roofs. When I've gone "inside" a -40 with my laptop, I'm pretty sure I've seen where you can disable it?</p>
<p>Bill</p>
<div class="gmail-m_4116949813960836311gmail-m_-3012406759072413389gmail-m_7634541537442057613m_-8586691768230059784moz-cite-prefix">On 9/2/2019 7:12 AM, <a class="gmail-m_4116949813960836311gmail-m_-3012406759072413389gmail-m_7634541537442057613m_-8586691768230059784moz-txt-link-abbreviated" href="mailto:drake.chamberlin@redwoodalliance.org" target="_blank">drake.chamberlin@redwoodalliance.org</a> wrote:</div>
<blockquote type="cite" style="padding-left:5px;border-left:2px solid rgb(16,16,255);margin-left:5px;width:100%">
<div>At least with the TL-22s, the AFCI function can be turned off. You need a<em> Web connect speed wire module</em>. .I don't know if this same protocol will work for the TL 40s or not. </div>
<div> </div>
<div>Metal roofing can apparently be affected by radio waves and by other factors that create a disturbance that can trigger the AFCI.The TL 40 was supposed to overcome this problem. </div>
<br> <br>
<blockquote class="gmail-m_4116949813960836311gmail-m_-3012406759072413389gmail-m_7634541537442057613m_-8586691768230059784atmailquote"><br> ----- Original Message -----<br>
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"RE-wrenches" <a class="gmail-m_4116949813960836311gmail-m_-3012406759072413389gmail-m_7634541537442057613m_-8586691768230059784moz-txt-link-rfc2396E" href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank"><re-wrenches@lists.re-wrenches.org></a><br>
<div id="gmail-m_4116949813960836311gmail-m_-3012406759072413389gmail-m_7634541537442057613m_-8586691768230059784origionalMessageSentField" style="display:inline;font-weight:bold">Cc:</div>
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<div style="display:inline;font-weight:bold">Sent:</div>
Sun, 1 Sep 2019 07:42:14 -1000<br>
<div id="gmail-m_4116949813960836311gmail-m_-3012406759072413389gmail-m_7634541537442057613m_-8586691768230059784origionalMessageSubjectField" style="display:inline;font-weight:bold">Subject:</div>
[RE-wrenches] SMA phantom arc faults<br> <br> <br> Aloha all,
<div> </div>
<div>My company has really been struggling with the SMA US-40 line of inverters and incredibly disruptive to positive customer experiences bogus arc faults. </div>
<div> </div>
<div>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 month.</div>
<div> </div>
<div>Does anyone know anything as to where they're at on this?</div>
<div> </div>
<div>Really frustrated....</div>
<div> </div>
<div>marco </div>
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<pre><strong><span style="font-size:small">Dave Angelini Offgrid Solar
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