<div dir="auto">William<div dir="auto">Some of the SB inverters had a fuse on one leg inside the inverter and it will exibit this condition, right next to the AC taps</div><div dir="auto">Jerry</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Jan 13, 2017 9:42 AM, "William Miller" <<a href="mailto:william@millersolar.com">william@millersolar.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div class="m_2990784379303755892WordSection1"><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif">Dear Wrenches:</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif">I have a customer with a SMA SB2500U exhibiting the vac-bfr error code.  I believe this indicates a grid voltage out of tolerance.  The inverter has correct grid voltage and frequency to the grid terminals and is a model that does not include the fuse.  This inverter is on longer supported so I can’t get a repair. I have previously changed out the firmware and used the reset sequence.  </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif">I tried resetting the inverter by cycling power for several minutes and using the ENS1/ENS2 procedure.  No change in status.  Does anyone happen to know of any other method to reset this inverter?  Otherwise it becomes a boat anchor.</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif">Thanks,</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif">William</span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif"> </span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif"> </span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><img width="64" height="28" style="width:.6666in;height:.2916in" id="m_2990784379303755892Picture_x0020_1" src="cid:image002.jpg@01D26D87.863839D0" alt="Gradient Cap_mini"><br>Lic 773985<br></span><a href="http://www.millersolar.com/" target="_blank"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">millersolar.com</span></a><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><br><a href="tel:(805)%20438-5600" value="+18054385600" target="_blank">805-438-5600</a></span></p><p class="MsoNormal"> </p></div></div>
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