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]> 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] > >> On Jan 8, 2026, at 3:00 PM, Drake Chamberlin via RE-wrenches >> <[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 >> >> 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 >> > > _______________________________________________ > 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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