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<p>I had all kinds of trouble with the one and only VFXR system I
did last summer. Every morning when the system would try to sell
back, one inverter would drop, which meant half the critical loads
all got dropped too. Considering the idea behind all the money
for GTB is to keep those loads up no matter what, we as an
industry looked very bad. A firmware update a couple months later
finally fixed the problem, but in the mean time I had Outback Tech
support trying to blame my wiring for the problems.</p>
<p>I had so many call backs due to this, along with Midnite "Rapid
Shutdown" issues, that I'm very hesitant to even take on anymore
backup power systems. I actually talk most people out of it right
now. If you already have 99+% power availability, its going to be
hard to improve that. More likely, as in our case, we are
decreasing the up time not improving it, and the customer is
paying tens of thousands for that down grade. <br>
</p>
<p>I'm just too honest to promote GTB right now, especially with
Tesla's disinformation campaign that makes people think they can
backup their entire house for any outage for $5k. I was doing
backup systems before we were even allowed to grid tie in the 90s,
so I consider our current state of the art to be in total
disarray: <br>
</p>
<p>shameful over promotion coupled with dangerous under
performance. <br>
</p>
<pre class="moz-signature" cols="72">R. Ray Walters
Chief Technical Officer, RemoteSolar.com
BS Mech Engineering, 1988
Former NABCEP Certified, 2004-2016
Licensed Master ELectrician, Colorado
303 505-8760</pre>
<div class="moz-cite-prefix">On 5/3/17 12:51 PM, Starlight Solar
Power Systems wrote:<br>
</div>
<blockquote
cite="mid:1060B48A-6F92-4C40-AA21-2F1B05A85D83@starlightsolar.com"
type="cite">
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Battery Wrenches,
<div class=""><br class="">
</div>
<div class="">We designed a mobile power system with 6 Outback
VFXR3648 inverters stacked for 240 split phase. The battery
system is a 20kWh lithium ion. So far, 2 FET boards have failed
and the customer called today with another failure. Outback said
they had an early problem with these. I want to know if anyone
else is having issues with these and is the problem really fixed
before I quote another one.</div>
<div class=""><br class="">
<div class="">
<div style="color: rgb(0, 0, 0); font-family: Helvetica;
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<div style="color: rgb(0, 0, 0); letter-spacing: normal;
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<div class=""><span style="orphans: 2; widows: 2;"
class=""><br class="Apple-interchange-newline">
Thank you,</span><br style="orphans: 2; widows: 2;"
class="">
<br style="orphans: 2; widows: 2;" class="">
<span style="orphans: 2; widows: 2;" class="">Larry
Crutcher</span><br style="orphans: 2; widows: 2;"
class="">
<span style="orphans: 2; widows: 2;" class="">Starlight
Solar Power Systems</span><br style="orphans: 2;
widows: 2;" class="">
<span style="orphans: 2; widows: 2;" class="">(928)
342-9103</span></div>
</div>
<br class="Apple-interchange-newline">
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<br class="Apple-interchange-newline" style="color: rgb(0, 0,
0); font-family: Helvetica; font-size: 14px; font-style:
normal; font-variant: normal; font-weight: normal;
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text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: auto; word-spacing: 0px;
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<br class="Apple-interchange-newline">
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