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<p>My cohort here that used to make PV modules thinks that something
may have hit the back of the <br>
</p>
<p>module ? Maybe somebody weed-eating around the array and
something hit it ?</p>
<p>We notice the cracks in Ray's cells are white. Are the backs of
these modules white too ?</p>
<p>Interesting if they still work but if just a couple of cells out
of 60 or 70 are bad then it might</p>
<p>not be noticeable, electrically ?</p>
<p>boB<br>
</p>
<br>
<div class="moz-cite-prefix">On 8/14/2018 7:31 AM, Dave Tedeyan
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CA+cq0bXLN9xEsUGq_-hG_g0QScM9Nc1jXNThaQTVM1vWfvg36A@mail.gmail.com">
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<div dir="ltr">Ray,
<div>I have seen this many times while servicing systems. I have
not noticed it cause any issues, </div>
<div>at least for modules that are 3-8 years old. On one site, I
too did an IR scan and even curve </div>
<div>traced modules showing this, and there was no difference
compared to other nearby modules </div>
<div>that did not show this cracking. The attached photo is what
I have seen a lot of. It is very similar</div>
<div>although not exactly the same as the pattern your photos
show. (you may need to zoom in to</div>
<div>see it).</div>
<div><br>
</div>
<div>Cheers,</div>
<div>Dave</div>
</div>
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<div><b><font face="tahoma,
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<div class="gmail_quote">On Tue, Aug 14, 2018 at 10:23 AM, Ray <span
dir="ltr"><<a href="mailto:ray@solarray.com"
target="_blank" moz-do-not-send="true">ray@solarray.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hi All;<br>
<br>
I've had a colleague ask that I post a couple pictures of
what appears to be cracks in cells under the glass. The
glass is not damaged. These are Sun Edison modules, so
apparently no warranty. Has anyone seen this, and are these
possibly dangerous (hot spots) or is this nothing to worry
about? An Infrared camera did not show any issues.<br>
<br>
As always your invaluable input is always appreciated.<br>
<br>
Thanks,<span class="HOEnZb"><font color="#888888"><br>
<br>
-- <br>
Ray Walters<br>
Remote Solar<br>
303 505-8760<br>
<br>
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