[RE-wrenches] Midnite AIO Random Unexplained Shutdowns

[Michael Morningstar]

Same on two different systems. Newest firmware seems to have resolved
things.

On Fri, Dec 26, 2025 at 10:18 AM Jay via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> So frustrating.
>
> A few questions.
> Does the inverter restart on its own?
> Has it done this since install?
> Or is any new loads?
>
> I have had a LUX power 12kw do something similar. I don’t know if it is
> connected to your issue.
>
> I finally tracked it down to a small 1/2 wave heater load in a bidet.
>
> As I learned more from some blogs and talking to people, the issue at
> least with the the lux is if the total AC  loads are high enough all works
> fine. If the total loads are low enough, typically under 1kw, and the 1/2
> wave is around 300 watts +/- it’s enough to shut the inverter off.
> It does auto start solar least that’s good.
>
> That system was web connected and eg4 couldn’t identify what the cause was
> from any of the online monitoring. They said check grounding and neutral
> bonds etc. obviously that wasn’t the issue.
>
> Good luck
>
> Jay
>
>
>
>
>
>
>
>
>
>
>
> On Dec 26, 2025, at 9:23 AM, Maverick Brown via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
> I have the same issue, but a single inverter installation. It happened a
> few times at night.
>
> No log entry.
>
> Tech support suggested upgrading to version 7. I asked for release notes.
> I haven’t upgraded yet, I haven’t had time to go babysit it for the
> customer. I’ve been trying to train the customer to do it himself. (bypass
> mode, standby, etc. I did install a bypass switch and I also installed a
> bluetti battery on the router.)
>
> Release notes would be nice.
>
> Thank you,
>
> Maverick
>
> Maverick Brown
> Off-Grid Solar Commander since 2006
> Maverick Solar Enterprises, Inc.
>  • Solar Commander Remote Power
>  • SunFlow Systems Cathodic Protection
> maverick at mavericksolar.com
> 512-460-9825
>
>
>
> On Dec 26, 2025, at 10:53 AM, Jason Szumlanski via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
> 
> Hi all,
>
> I have two new systems experiencing random shutdowns anywhere from 48
> hours to 3 weeks apart. The inverters will simply shut off, going into
> standby with no power to the loads, and absolutely nothing in the fault
> logs. Turning them back on with the master inverter power switch or
> remotely with app restores normal operation for some random period of time
> before it happens again.
>
> Here are the similarities:
>
> -Parallel inverter systems (3 or 4 AIO)
> -Powerflo16 batteries, closed loop comms (80 kWh and 112 kWh)
> -Grid interactive systems with netmetering
> -Large PV systems with DC Coupled PV on each inverter
> -Shutdowns typically happen at night, early morning hours
> -Loads are low and nothing out of the ordinary on the load side happening
> at the time of shutdown
> -Confirmed no errant Neutral to Ground bonds that shouldn't be there
> -Proper installation of ferrite rings
> -AP Smart RSDs
>
> Differences:
> -Two different firmwares (but all firmware per site is the same per
> inverter). Updated at different times by Midnite tech support remotely
>
>
> Has anyone experienced anything like this, and if so, did you find a
> resolution?
>
> I have a call into Midnite and hope to make some progress on Monday. I'm
> seriously concerned, especially with one site that doesn't have a bypass
> (due to space constraints). I can't have these sites going down and cutting
> power to the homes!
>
>
> Jason Szumlanski
> Florida Solar Design Group
>
>
>
>
> _______________________________________________
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
> List Address: RE-wrenches at 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 at 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 at 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
>
>

-- 

Michael Morningstar


Morningstar Electric Inc

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

CSLB 1116835

mjmorningstar at gmail.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20251226/25ae468c/attachment.htm>