HI Chris, They are all 12v fans and universal between 12,24,48v units
jay > On Jan 9, 2026, at 4:35 PM, Chris Schaefer via RE-wrenches > <[email protected]> wrote: > > 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? > > Thanks, > Christopher > > On Thu, Jan 8, 2026 at 9:23 PM Jerry Shafer via RE-wrenches > <[email protected] > <mailto:[email protected]>> wrote: >> Wrenches, Jay, >> 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. >> FunTimes >> >> On Thu, Jan 8, 2026, 3:26 PM Jay via RE-wrenches >> <[email protected] >> <mailto:[email protected]>> wrote: >>> I’ve replaced dozens of internal temp sensors over the years. >>> >>> I learned to also replace the fan at the same time. >>> >>> Or vice versa. >>> >>> Jay >>> >>>> On Jan 8, 2026, at 4:01 PM, Luke Christy via RE-wrenches >>>> <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> >>>> Drake, >>>> I agree with Ray, >>>> 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. >>>> 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. >>>> >>>> Luke Christy >>>> Renewable energy consultant >>>> >>>> NABCEP Certified PV Installation Professional™: >>>> >>>> Solar Gain Services, LLC >>>> PO Box 531 >>>> Monte Vista, CO 81144 >>>> 719.588.3044 >>>> [email protected] <mailto:[email protected]> >>>> >>>>> On Jan 8, 2026, at 3:00 PM, Drake Chamberlin via RE-wrenches >>>>> <[email protected] >>>>> <mailto:[email protected]>> wrote: >>>>> >>>>> A couple of years back, a client changed from lead acid batteries to >>>>> LiFeBlue, lithium batteries. At that time the temperature sensor was >>>>> removed. >>>>> >>>>> 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. >>>>> >>>>> Is there any way to turn off the warning light? >>>>> >>>>> Thank you, >>>>> >>>>> Drake >>>>> >>>>> Drake Chamberlin >>>>> >>>>> Athens Electric LLC >>>>> >>>>> Ohio Electrical Contractor’s License 44810 >>>>> >>>>> NABCEP Certified PV Installation Professional >>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> _______________________________________________ >>>>> List sponsored by Redwood Alliance >>>>> >>>>> Pay optional member dues here: http://re-wrenches.org >>>>> <http://re-wrenches.org/> >>>>> >>>>> List Address: [email protected] >>>>> <mailto:[email protected]> >>>>> >>>>> Change listserver email address & settings: >>>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>>> >>>>> There are two list archives for searching. When one doesn't work, try the >>>>> other: >>>>> https://www.mail-archive.com/[email protected]/ >>>>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>>>> >>>>> List rules & etiquette: >>>>> http://www.re-wrenches.org/etiquette.htm >>>>> >>>>> Check out or update participant bios: >>>>> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >>>>> >>>> >>>> _______________________________________________ >>>> List sponsored by Redwood Alliance >>>> >>>> Pay optional member dues here: http://re-wrenches.org >>>> <http://re-wrenches.org/> >>>> >>>> List Address: [email protected] >>>> <mailto:[email protected]> >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>> >>>> There are two list archives for searching. When one doesn't work, try the >>>> other: >>>> https://www.mail-archive.com/[email protected]/ >>>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>>> >>>> List rules & etiquette: >>>> http://www.re-wrenches.org/etiquette.htm >>>> >>>> Check out or update participant bios: >>>> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >>>> >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> Pay optional member dues here: http://re-wrenches.org >>> <http://re-wrenches.org/> >>> >>> List Address: [email protected] >>> <mailto:[email protected]> >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> >>> There are two list archives for searching. When one doesn't work, try the >>> other: >>> https://www.mail-archive.com/[email protected]/ >>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>> >>> List rules & etiquette: >>> http://www.re-wrenches.org/etiquette.htm >>> >>> Check out or update participant bios: >>> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >>> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> <http://re-wrenches.org/> >> >> List Address: [email protected] >> <mailto:[email protected]> >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/[email protected]/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> > > > > -- > Chris Schaefer’s > > Tel 585-229-2083 or Cell 585-748-1870 > 5115 S Hill Road ~ Canandaigua New York 14424 > www.solarandwindfx.com <http://www.solarandwindfx.com/> ~ E-mail: > [email protected] <mailto:[email protected]> > > 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." > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org >
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