[Nut-upsuser] APC SmartUPS powercycles when power returns

[Greg Troxel]

Andrea Venturoli via Nut-upsuser <nut-upsuser at alioth-lists.debian.net>
writes:

> I've got an APC SmartUPS 1500: it's connected via USB and I'm using
> the usbhid-ups driver. This used to work properly until recently.
>
> Now, when power goes out it keeps on going on battery potentially for
> several minutes, but, the moment line returns, I hear a click and
> power is cycled on the outlets (so every computer is rebooted
> forcily).
>
> I'm thinking about a hardware issue, but could it be that NUT is
> instructing it to do so?

I suggest an experiment:

  disconnect the USB cable to the NUT computer

  turn off power for 5 minutes

  turn power back on

and see what happens
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