<html><body><span style="font-family:Verdana; color:#000000; font-size:10pt;"><div>Hello Jason,</div><div><br></div><div>Just a bit late on this one but for what it's worth;</div><div><br></div><div>I would inquire with the end-user if there was any abnormal AC issues that caused the Inverter to error-out with AC type errors(VAC, FAC) prior to this K1-open error.</div><div>Many times these abnormalities can then generate a false K1-open error that can lock-up the Inverter.</div><div>Power Cycling will Not clear the K1-open error once it is locked-in.</div><div>However using Sunny Data with the Comm. port/PC you can log-in as Installer level and Reset errors to clear the K1-open error(some models of SB's you can use test jumpers on the control board to accomplish this also).</div><div><span style="font-size: 10pt;">You will either get a new K1-open error if there is indeed a bad Grid relay/driver issue or the Inverter will start operating normally!</span></div><div><span style="font-size: 10pt;"><br></span></div><div><span style="font-size: 10pt;">Last year I had a SB3000U with a K1-open that was locked-in;I cleared the error;all ok;no "real" Grid Relay failure.</span></div><div><span style="font-size: 10pt;">It turned out that the end-user had a back-up Generator and this K1-open error happened when he was performing a Generator exercise routine...</span></div><div><span style="font-size: 10pt;"><br></span></div><div><span style="font-size: 10pt;">The Grid Relays can/do go bad pitted/burned contacts typically or unable to close due to relay mechanical package deformities(heat/cool cycles over time).</span></div><div><span style="font-size: 10pt;">This is a easy fix however when it is a bad Grid Relay;simply replace(I would do All of them) and good to go.</span></div><div><span style="font-size: 10pt;"><br></span></div><div><span style="font-size: 10pt;">I take that SMA will no longer do Repairs/Support on this SB3300U model just like the SB1800U & SB2500U; their are others that will.</span></div><div><span style="font-size: 10pt;"><br></span></div><div><span style="font-size: 10pt;">Louis, SolarCowboyz</span></div><div><br></div><div><br></div>
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-------- Original Message --------<br>
Subject: Re: [RE-wrenches] K1-Open Fault on SMA SB<br>
From: Jason Szumlanski <<a href="mailto:jason@floridasolardesigngroup.com">jason@floridasolardesigngroup.com</a>><br>
Date: Wed, June 29, 2016 1:40 pm<br>
To: RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>><br>
<br>
<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">It's out of warranty. 10 year old SB3300U. </div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Went out today. Everything checked out on the AC and DC side, fuses, etc. Looks like a dead duck. Owner went for a new SB3000TL.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Thanks for the feedback everyone!</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_extra"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div> <div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">Jason</div></div><div class="gmail_extra"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"><br></div></div><div class="gmail_extra"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"></div><br><div class="gmail_quote">On Wed, Jun 29, 2016 at 10:00 AM, Peter Giroux <span dir="ltr"><<a href="mailto:pgiroux@mindspring.com" target="_blank">pgiroux@mindspring.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u> <div bgcolor="#ffffff"> <div><font size="2">Jason</font></div> <div><font size="2"></font> </div> <div><font size="2"> Fear not, I have had two in the last year and they were fantastic. Sent out new inverters as soon as I sent on the model and serial #'s. K-1 is not usually fixable so they send out new or refurbed units.</font></div> <div><font size="2"></font> </div> <div><font size="2"> Apparently it is caused by high voltage on the line side and after X # of times the relay just locks open. Enjoy.</font></div><span class="HOEnZb"><font color="#888888"> <div><font size="2"></font> </div> <div><font size="2">peter giroux</font></div> <div><font size="2">American Solar</font></div> </font></span><blockquote style="BORDER-LEFT:#000000 2px solid;PADDING-LEFT:5px;PADDING-RIGHT:0px;MARGIN-LEFT:5px;MARGIN-RIGHT:0px"><span class=""> <div style="FONT:10pt arial">----- Original Message ----- </div> <div style="FONT:10pt arial;BACKGROUND:#e4e4e4"><b>From:</b> <a title="jason@floridasolardesigngroup.com" href="mailto:jason@floridasolardesigngroup.com" target="_blank">Jason Szumlanski</a> </div> <div style="FONT:10pt arial"><b>To:</b> <a title="re-wrenches@lists.re-wrenches.org" href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches</a> </div> <div style="FONT:10pt arial"><b>Sent:</b> Tuesday, June 28, 2016 12:37 PM</div> </span><div><div class="h5"><div style="FONT:10pt arial"><b>Subject:</b> [RE-wrenches] K1-Open Fault on SMA SB</div> <div><br></div> <div dir="ltr"> <div>I'm heading out on my first K1-Open fault code on a SMA inverter. Any tips for diagnostic steps and likely outcome? I'm dreading the call to SMA based on recent feedback about their customer support.</div> <div> <div data-smartmail="gmail_signature"> <div dir="ltr"> <div> <div dir="ltr"> <div> <div dir="ltr"> <div> <div dir="ltr"> <div> <div dir="ltr"> <div dir="ltr"> <div dir="ltr"> <div dir="ltr"> <div dir="ltr"> <div dir="ltr"> <div dir="ltr"><span><br></span></div> <div dir="ltr"><br></div> <div dir="ltr"><span><br></span></div> <div dir="ltr"><span> <div>Jason Szumlanski</div> <div style="MARGIN-LEFT:0pt" dir="ltr"> <table style="BORDER-BOTTOM:medium none;BORDER-LEFT:medium none;BORDER-COLLAPSE:collapse;BORDER-TOP:medium none;BORDER-RIGHT:medium none"> <colgroup> <col width="96"> <col width="528"></colgroup> <tbody></tbody></table></div></span></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div> </div></div><div> </div><hr><span class=""> <div></div>_______________________________________________<br>List sponsored by Redwood Alliance<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br><br>Change listserver email address & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html" target="_blank">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm" target="_blank">www.re-wrenches.org/etiquette.htm</a><br><br>Check out or update participant bios:<br><a href="http://www.members.re-wrenches.org" target="_blank">www.members.re-wrenches.org</a><br><br></span><div></div></blockquote></div> <br>_______________________________________________<br> List sponsored by Redwood Alliance<br> <br> List Address: <a target="_blank" href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br> <br> Change listserver email address & settings:<br> <a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" rel="noreferrer" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br> <br> List-Archive: <a href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html" rel="noreferrer" target="_blank">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br> <br> List rules & etiquette:<br> <a href="http://www.re-wrenches.org/etiquette.htm" rel="noreferrer" target="_blank">www.re-wrenches.org/etiquette.htm</a><br> <br> Check out or update participant bios:<br> <a href="http://www.members.re-wrenches.org" rel="noreferrer" target="_blank">www.members.re-wrenches.org</a><br> <br> <br></blockquote></div><br></div></div> <hr>_______________________________________________<br>
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