<div dir="auto"><div>Wrenches. Jay<div dir="auto">As l recall all the fans are the same PN same with the sensors. Just relocate the temp sender to the new location as l recall it is on top of the xfmr.</div><div dir="auto">Fun times</div><br><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Jan 9, 2026, 3:52 PM jay via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="line-break:after-white-space">HI Chris,<div><br></div><div>They are all 12v fans and universal between 12,24,48v units</div><div><br></div><div>jay<br id="m_2418080795871843860lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On Jan 9, 2026, at 4:35 PM, Chris Schaefer via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank" rel="noreferrer">re-wrenches@lists.re-wrenches.org</a>> wrote:</div><br><div><div dir="ltr">While on the subject of VFX inverters in regards to the fan and internal temp sensors, I've got a client with a circa 2010 VFX3624 that appears to have a failed fan. I don't normally deal with 24 volt inverters. I've got many dead VFX3648 units hanging out. My question is can I cannibalize a fan out of a 48 volt unit and put it in a 24 volt unit? Next, let's say the fan is ok and based on the readings above I should look into replacing the xfmr temp sensor. Again, can I take one out of a 48v inverter and use it on a 24v unit? Which board might be suspect as well that the xfmr temp sensor feeds its information too?<div><br></div><div>Thanks,</div><div>Christopher</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 8, 2026 at 9:23 PM Jerry Shafer via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank" rel="noreferrer">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Wrenches, Jay,<div dir="auto">Transformer temp sensors in the FX Fails, fans fail causing fet boards to overheat, dirty filters cause high temps on all the intervals. When outback was still running the parts department you always got temp senders with fans, boards and a relocation procedure, yes you must put the sensor in a new location.</div><div dir="auto">FunTimes</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 8, 2026, 3:26 PM Jay via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank" rel="noreferrer">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto"><div dir="ltr"></div><div dir="ltr">I’ve replaced dozens of internal temp sensors over the years. </div><div dir="ltr"><br></div><div dir="ltr">I learned to also replace the fan at the same time. </div><div dir="ltr"><br></div><div dir="ltr">Or vice versa. </div><div dir="ltr"><br></div><div dir="ltr">Jay</div><div dir="ltr"><br><blockquote type="cite">On Jan 8, 2026, at 4:01 PM, Luke Christy via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" rel="noreferrer noreferrer" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">Drake,<div>I agree with Ray,<div>The message you’re seeing does not refer to the RTS that has been absent for years- it’s an issue with an internal sensor. </div><div>I have seen intermittent warnings relating to internal sensors on VFX units that have self-resolved with a reboot, but if the warning is persistent then you’ll likely need to open the unit up and replace the sensor. </div><div><br id="m_2418080795871843860m_-6892282037203373209m_-6666882237133324589lineBreakAtBeginningOfMessage"><div>
<div dir="auto" style="letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div dir="auto" style="text-align:start;text-indent:0px"><div>Luke Christy<br>Renewable energy consultant<br><br>NABCEP Certified PV Installation Professional™: <br><br>Solar Gain Services, LLC<br>PO Box 531<br>Monte Vista, CO 81144</div><div>719.588.3044<br><a href="mailto:sgsrenewables@gmail.com" rel="noreferrer noreferrer" target="_blank">sgsrenewables@gmail.com</a></div></div></div>
</div>
<div><br><blockquote type="cite"><div>On Jan 8, 2026, at 3:00 PM, Drake Chamberlin via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" rel="noreferrer noreferrer" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:</div><br><div><div style="font-size:10pt;font-family:Verdana,Geneva,sans-serif">
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:12pt">A couple of years back, a client changed from lead acid batteries to LiFeBlue, lithium batteries. At that time the temperature sensor was removed. </span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:12pt">The other day, a warning light started blinking. The warning turned out to be a bad temperature sensor. It is strange that this message showed up now, as the sensor has been gone for years.</span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:12pt">Is there any way to turn off the warning light?</span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:12pt">Thank you,</span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace"><span style="font-size:12pt">Drake</span></div>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
<div style="margin:0px;padding:0px;font-family:monospace"><p><em>Drake Chamberlin</em></p><p><em>Athens Electric LLC</em></p><p><em>Ohio Electrical Contractor’s License 44810</em></p><p><em>NABCEP Certified PV Installation Professional</em></p>
<br><br>
<div id="m_2418080795871843860m_-6892282037203373209m_-6666882237133324589signature"><span style="font-size:12pt">-- </span><br>
<div style="margin:0px;padding:0px;font-family:monospace"> </div>
</div>
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</blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><p style="text-align:center"><span style="font-size:10pt;color:rgb(31,73,125)"><font face="Arial, sans-serif">Chris Schaefer’s<br></font></span><img src="https://ci3.googleusercontent.com/mail-sig/AIorK4xwQObc1lE4m-NGBGV2ONhmIo5vEAZs2lO5NoIACbJsI4fJ_a1hsiFC2biIJSxI90VJ_atMDSuJtjW-"><br><i><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)"><span style="font-size:9pt">Tel 585-229-2083 or Cell 585-748-1870 </span><span style="font-size:12px"><br></span></span></i><i style="font-size:12.8px"><span style="font-size:10pt"><font color="#1f497d"><font face="Arial, sans-serif"><a href="https://www.google.com/maps/search/5115%0D%0AS+Hill+Road+~+Canandaigua+New+York+14424?entry=gmail&source=g">5115
S Hill Road ~ Canandaigua New York 14424</a><br></font></font></span></i><i style="font-size:12.8px"><span style="font-size:10pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)"><a href="http://www.solarandwindfx.com/" target="_blank" rel="noreferrer"><span style="color:blue">www.solarandwindfx.com</span></a> ~ E-mail: <span style="color:blue"><a href="mailto:chris@solarandwindfx.com" target="_blank" rel="noreferrer">chris@solarandwindfx.com</a></span></span></i></p><p style="text-align:center"><i><span style="font-size:10pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)"><img src="https://ci3.googleusercontent.com/mail-sig/AIorK4ytw2s5T2YLi-11AL2Jyo5Jt6UbbDYElzDl4X0PqflWvs06VON--dPV7x_cgeW3zkEV-fkQc7IhsiwV"><br></span></i></p><p style="text-align:center"><span style="font-size:10pt;font-family:Arial,sans-serif">Thomas Jefferson,
the author of our great Constitution, once said, "democracy" will
cease to exist when you take away from those who are willing to work and give
to those who would not."</span><span style="font-size:10pt;font-family:Arial,"sans-serif";color:rgb(31,73,125)"></span></p></div></div></div></div></div></div>
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