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<font size=3>Bob-O:<br><br>
Are you installing inverters outdoors near the ocean? That seems to
be the biggest issue, corrosion on the IG series circuit boards.
Fronius was touting their board coatings at the all day seminar, but now
the plus series no longer has flow trough ventilation.<br><br>
William<br><br>
<br><br>
At 04:14 PM 4/18/2009, you wrote:<br>
<blockquote type=cite class=cite cite>William,<br>
Just the opposite situation here. We've been using Fronius almost
exclusively for the past four years with very few issues at all. The few
we have had Fronius tech support was all over it PDQ. <br>
Go figure.<br>
Bob-O<br><br>
On Apr 18, 2009, at 2:04 PM, William Miller wrote:<br><br>
Larry:<br><br>
We have had an almost 100% failure rate for Fronius inverters. This
is including replacing many of them multiple times. We are about
ready to replace 6 LV4550s with 3 Plus 10,000s. I will let you know how
it works out, but we are very underwhelmed.<br><br>
William<br><br>
<br><br>
<br>
At 12:12 PM 4/18/2009, you wrote:<br>
<blockquote type=cite class=cite cite>Wrenches,<br><br>
A Fronius IG 4000 is doing some weird cycling. Every 45 seconds the
voltage pops up to Voc and drops back to Vmp immediately followed by a
downward ramp of voltage and corresponding rise in current. This repeats
continuously. PV array Vsc is constant and all strings are +/- 1 volt DC.
I spoke with Dan at Fronius and they are working on it. BTW, very helpful
and immediate response from Fronius. <br><br>
Has anyone else seen this occur? This is the second problem with this
inverter so I am wondering how Fronius is holding up for
others.<br><br>
Kindest Regards,<br><br>
Larry Crutcher<br>
Starlight Solar<br>
(928) 941-1660<br>
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