[Nut-upsuser] Tripp Lite SMART1500LCD repeatedly disconnecting and reconnecting

Charles Lepple clepple at gmail.com
Mon Dec 9 02:36:38 GMT 2019

On Dec 8, 2019, at 5:46 PM, Layne Fowler <layne.fowler at gmail.com> wrote:
> My UPS is connected to a Raspberry Pi by USB. After a few hours of working, the service fails. Looking at kernel messages I noticed that the device is repeatedly disconnecting and reconnecting.
> I have tried using a different USB port and using a brand new USB cable. I have not had success by changing config parameters like pollfreq/pollinterval/etc.
> What is causing the UPS to keep disconnecting?

Not sure (it's a protocol issue lower than NUT), but does this post from Tripp Lite help the UPS automatically reconnect?

https://alioth-lists.debian.net/pipermail/nut-upsuser/2019-June/011451.html <https://alioth-lists.debian.net/pipermail/nut-upsuser/2019-June/011451.html>

(you may need to do some RedHat-to-Debian translation for some of the pathnames.)

> OS - Raspbian GNU/Linux 10 (buster)
> Kernel - 4.19.75-v7+
> Nut version - 2.7.4-8
> Installation method - From package
> UPS - Tripp Lite SMART1500LCD

Thanks for including all of the version information.
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