<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">William, <div><br></div><div>100% of what quantity? Are there any special conditions that may have contributed? Were they minor problems?</div><div><br></div><div>Larry<br><div><br><div><div>On Apr 18, 2009, at 2:04 PM, William Miller wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div> <font size="3">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> Renewable Energy Products, Service and Installation<br><br> Mailing Address (NO SHIPPING):<br> 11881 S Fortuna Rd.<br> #210<br> Yuma, AZ 85367<br><br> Shipping and retail store (NO MAIL):<br> 2998 Shari Ave <br> Yuma, AZ 85365<br><br> <br><br> _______________________________________________<br> List sponsored by Home Power magazine<br><br> List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br> Options & settings:<br> <a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" eudora="autourl">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br> List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" eudora="autourl">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br> List rules & etiquette:<br> <a href="http://www.re-wrenches.org/etiquette.htm" eudora="autourl">www.re-wrenches.org/etiquette.htm</a><br><br> Check out participant bios:<br> <a href="http://www.members.re-wrenches.org/" eudora="autourl">www.members.re-wrenches.org</a></blockquote> <x-sigsep></x-sigsep></font><p><font size="3"> <u>Please note new e-mail address and domain:<br><br> </u>William Miller <br> Miller Solar<br> Voice :805-438-5600 Fax: 805-438-4607<x-tab> </x-tab><br> email: <a href="mailto:william@millersolar.com">william@millersolar.com</a><br> <a href="http://millersolar.com/" eudora="autourl">http://millersolar.com<br> </a>License No. C-10-773985<br> </font></p></div> _______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Options & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org<br><br>List rules & etiquette:<br>www.re-wrenches.org/etiquette.htm<br><br>Check out participant bios:<br>www.members.re-wrenches.org<br><br></blockquote></div><br></div></div></body></html>