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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="color:#44546a">Hi Marco,</span></p><p class="MsoNormal"><span style="color:#44546a">&nbsp;</span></p>
<p class="MsoNormal"><span style="color:#44546a">Did you ever make any progress on this issue? We&rsquo;re having an interesting issue with one of the new Sunny Tri-Power inverters (a 24 kW unit in this case) where we get an error &ldquo;residual current too high.&rdquo; We&rsquo;ve only done a little troubleshooting so far but I don&rsquo;t think we have a ground fault. </span></p>
<p class="MsoNormal"><span style="color:#44546a">&nbsp;</span></p><p class="MsoNormal"><span style="color:#44546a">Best,</span></p><p class="MsoNormal"><span style="color:#44546a">&nbsp;</span></p><p class="MsoNormal"><span style="color:#44546a">August</span></p>
<p class="MsoNormal"><span style="color:#44546a">&nbsp;</span></p><p class="MsoNormal"><span style="color:#44546a">Luminalt</span></p><p class="MsoNormal"><span style="color:#44546a">&nbsp;</span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a> [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Marco Mangelsdorf<br>
<b>Sent:</b> Friday, March 14, 2014 9:56 AM<br><b>To:</b> &#39;RE-wrenches&#39;<br><b>Subject:</b> Re: [RE-wrenches] Unusual problem with SMA TL inverter on metal roof</span></p></div></div><p class="MsoNormal">&nbsp;</p><p class="MsoNormal">
<span style="color:#1f497d">Probably not.</span></p><p class="MsoNormal"><span style="color:#1f497d">&nbsp;</span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal">
<b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a> [<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>RE Ellison<br>
<b>Sent:</b> Friday, March 14, 2014 1:24 AM<br><b>To:</b> &#39;RE-wrenches&#39;<br><b>Subject:</b> Re: [RE-wrenches] Unusual problem with SMA TL inverter on metal roof</span></p></div></div><p class="MsoNormal">&nbsp;</p><p class="MsoNormal">
<span style="font-size:18.0pt;font-family:&quot;Arial Black&quot;,&quot;sans-serif&quot;;color:black">Is the metal roof grounded? Just a fast thought.</span></p><p class="MsoNormal"><span style="font-size:18.0pt;font-family:&quot;Arial Black&quot;,&quot;sans-serif&quot;;color:black">&nbsp;</span></p>
<p class="MsoNormal"><span style="font-size:18.0pt;font-family:&quot;Arial Black&quot;,&quot;sans-serif&quot;;color:black">bob</span></p><p class="MsoNormal"><span style="font-size:18.0pt;font-family:&quot;Arial Black&quot;,&quot;sans-serif&quot;;color:black">&nbsp;</span></p>
<div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a> [<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Marco Mangelsdorf<br>
<b>Sent:</b> Thursday, March 13, 2014 10:31 PM<br><b>To:</b> &#39;RE-wrenches&#39;<br><b>Subject:</b> [RE-wrenches] Unusual problem with SMA TL inverter on metal roof</span></p></div></div><p class="MsoNormal">&nbsp;</p><p class="MsoNormal">
Friends,</p><p class="MsoNormal">&nbsp;</p><p class="MsoNormal">We have run across an odd technical problem at our commercial install at a laundromat on our island. &nbsp;&nbsp;Attached is the description of the issue from SMA. &nbsp;We don&rsquo;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. &nbsp;The issue is beyond our feeble understanding. &nbsp;</p>
<p class="MsoNormal">&nbsp;</p><p class="MsoNormal">Any observations to share?</p><p class="MsoNormal">&nbsp;</p><p class="MsoNormal">Thanks,</p><p class="MsoNormal">&nbsp;</p><p class="MsoNormal">marco</p><p class="MsoNormal">&nbsp;</p><div class="MsoNormal" align="center" style="text-align:center">
<span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><hr size="1" width="100%" noshade style="color:#aca899" align="center"></span></div><p class="MsoNormal" style><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">No virus found in this message.<br>
Checked by AVG - <a href="http://www.avg.com">www.avg.com</a><br>Version: 2014.0.4336 / Virus Database: 3722/7186 - Release Date: 03/12/14</span></p><div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><hr size="1" width="100%" noshade style="color:#a7a6aa" align="center">
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