Re: [RE-wrenches] Mate3s conflict with FM100

[Jay via RE-wrenches]

Hi John Humm.  Have you checked the temp sensor readings in the mate?  If the temp sensor goes bad it can definitely screw things up  And I know that in the past I’ve had to do a full reboot of the mate and reprogram which has worked when nothing else made sense.  The other thing is to unplug the fndc with the CC’s connected. If that works fine then the fndc is somehow the cause. Which I’ve also seen before.  Hate the electrical gremlins  Jay On Aug 14, 2025, at 11:00 PM, John Blittersdorf via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:  Jay, yes there is a FNDC. It is an older system that had been working OK.? On Thu, Aug 14, 2025 at 8:37 AM Jay via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote: Hi John Is there a FNDC in the system? And I’m presuming this is a new issue with the system being some years old? Jay > On Aug 14, 2025, at 6:14 AM, John Blittersdorf via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote: > >  > At a service call yesterday the customer reported that his 2 FM100's stop charging with float lights lit when the batteries are very low (46V). When he unplugs the MATE3s charging goes back to normal.  SInce the mate is off and he doesn't have an external TriMetric or other current reading device, he called me to check if the solar was in fact putting out current.  My clamp meter confirmed that the FM 100's were both working fine until we plugged the MATE back in.  I tried a new MATE with the same result.  He has a HUB 10 but I didn't have one with me to try.  Any Idea what the problem might be?.  I checked all charging parameters.  Any suggestions? > > John Blittersdorf > Of Grid Vermont > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: RE-wrenches@lists.re-wrenches.org > > 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/re-wrenches@lists.re-wrenches.org/ > 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: RE-wrenches@lists.re-wrenches.org 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/re-wrenches@lists.re-wrenches.org/ 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: RE-wrenches@lists.re-wrenches.org 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/re-wrenches@lists.re-wrenches.org/ 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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