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Hi Rebecca and all,<br>
<br>
We're experiencing the same thing on several M190 sites, though not all.
Interestingly, M190s that have been replaced are not having the same
problem.<br>
<br>
According to Enphase, it is a software problem. My understanding is that
they are rolling back software updates on affected devices to solve the
problem, but I'm not clear on the exact order that will happen. <br>
<br>
Not sure if being a squeaky wheel on particular systems is going to hurt
or help. Kind of disappointing that they didn't properly beta test any
software updates on all types of microinverter devices before rolling
them out to all customers. Seems like that would be common sense.<br>
<br>
Best,<br>
Louis<br>
<br>
<span><span style="color: rgb(80, 0, 80); font-family: arial,
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background-color: rgb(255, 255, 255);"><div dir="ltr">Louis Woofenden<br>Engineering
Director<br>Net Zero Solar, LLC<br>101. W. 5th St., Tucson, AZ 85705<br>Arizona
ROC #248710, 259756, 259521<span class="Apple-converted-space"> </span><br><br>Phone:<span
class="Apple-converted-space"> </span><a href="tel:520.207.4053"
value="+15202074053" target="_blank" style="color: rgb(17, 85, 204);">520.207.4053</a><span
class="Apple-converted-space"> </span>Ex. 2<div>Cell:<span
class="Apple-converted-space"> </span><a href="tel:520.237.5040"
value="+15202375040" target="_blank" style="color: rgb(17, 85, 204);">520.237.5040</a><br>Fax:<span
class="Apple-converted-space"> </span><a href="tel:520.203.7230"
value="+15202037230" target="_blank" style="color: rgb(17, 85, 204);">520.203.7230</a><br><br>NABCEP
Certified PV Installation Professional™<br>NABCEP Certified Solar
Heating Installer™</div></div></div></span><br>
<br>
<span>Luke Christy wrote:</span><br>
<blockquote cite="mid:04CADA24-1148-4D5C-9EB5-8B18F8D29C0C@gmail.com"
type="cite">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div>Hi Rebecca,</div>
<div id="AppleMailSignature">After you posted this I looked at the
power production history for several of our Enphase sites with M190s,
and the same thing is happening. Inverter output is being clipped at
140W across the board.</div>
<div id="AppleMailSignature">This seems like a pretty big deal in
terms of potential lost production for a lot of users.</div>
<div id="AppleMailSignature"><br></div>
<div id="AppleMailSignature">Have you brought this up with Enphase? </div>
<div id="AppleMailSignature"><br></div>
<div id="AppleMailSignature">-Luke </div>
<div id="AppleMailSignature"><br></div>
<div id="AppleMailSignature"><br><br><span style="background-color:
rgba(255, 255, 255, 0);">NABCEP Certified PV Installation Professional™:
Certification #031409-25 <br>NABCEP Certified Solar Heating Installer™:
Certification #ST032611-03 <br>CoSEIA Certified PV Installer <br> <br>Solar
Gain Services, LLC<br>PO Box 531<br>Monte Vista, CO 81144<br><a
moz-do-not-send="true" href="mailto:sgsrenewables@gmail.com">sgsrenewables@gmail.com</a><br>719.588.3044<br><a
moz-do-not-send="true" href="http://www.sgsrenewables.com/"
x-apple-data-detectors="true" x-apple-data-detectors-type="link"
x-apple-data-detectors-result="14/3">www.sgsrenewables.com</a></span></div>
<div><br>On Jan 31, 2016, at 21:08, Rebecca Lundberg <<a
moz-do-not-send="true"
href="mailto:rebecca.lundberg@powerfullygreen.com">rebecca.lundberg@powerfullygreen.com</a>>
wrote:<br><br></div>
<blockquote type="cite"><div><div dir="ltr"><div class="gmail_default"
style="font-family:arial,helvetica,sans-serif"><font size="2">I just
noticed that several of our sites with Enphase M190s are current
limiting at 140 watts. These units used to clip at 199 watts so I feel
like our customers just lost a potential 30% of their power output. It
appears to be related to a firmware update 520-00008-r01-v01.08.00.
We've got one site with just 8 units, 1 of them got this firmware update
back in September and has been limiting to 140w since then, 5 of them
got this update in late January and have been limiting to 140w since
then, the other two are at a previous firmware version and are
performing as we would expect up to 199w. Have any of you noticed this
same thing? Do you know what this is about? It doesn't feel very fair on
the user end of things.<br><br></font></div><div class="gmail_default"
style="font-family:arial,helvetica,sans-serif"><font size="2">Sincerely,<br></font></div><font
size="2"><br>Rebecca Lundberg<br>Powerfully Gree<div
class="gmail_default"
style="font-family:arial,helvetica,sans-serif;font-size:small;display:inline">
n<br></div><div class="gmail_default"
style="font-family:arial,helvetica,sans-serif;font-size:small;display:inline">Minnesota<br></div></font><div
class="gmail_signature"><div dir="ltr"><br></div></div></div></div></blockquote>
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background-color: rgb(255, 255, 255);"><div dir="ltr">Louis Woofenden<br>Engineering
Director<br>Net Zero Solar, LLC<br>101. W. 5th St., Tucson, AZ 85705<br>Arizona
ROC #248710, 259756, 259521<span class="Apple-converted-space"> </span><br><br>Phone:<span
class="Apple-converted-space"> </span><a href="tel:520.207.4053"
value="+15202074053" target="_blank" style="color: rgb(17, 85, 204);">520.207.4053</a><span
class="Apple-converted-space"> </span>Ex. 2<div>Cell:<span
class="Apple-converted-space"> </span><a href="tel:520.237.5040"
value="+15202375040" target="_blank" style="color: rgb(17, 85, 204);">520.237.5040</a><br>Fax:<span
class="Apple-converted-space"> </span><a href="tel:520.203.7230"
value="+15202037230" target="_blank" style="color: rgb(17, 85, 204);">520.203.7230</a><br><br>NABCEP
Certified PV Installation Professional™<br>NABCEP Certified Solar
Heating Installer™</div></div></div> </span></div>
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