[Nut-upsuser] Access to internal UPS logs?

James Harper james.harper at bendigoit.com.au
Wed Sep 17 07:11:50 UTC 2008


> > The UPS is randomly turning off its output power, at intervals of
once
> > every week or two, even though during this failure it reports that
input
> > and output voltages are still around 248V (240V is nominal). The
only
> > recourse is to reboot the UPS.
> 
> First course of action, is to check the age of the batteries. Chances
> are that the UPS starts a quick battery test every two weeks
> (automatically), which is failing so quickly (immediately) that the
> UPS shuts down. This shouldn't happen, but we've seen this before on
> very old batteries that fail under load instantly. In that case, there
> may not be enough time to switch back on the AC mains and report a
> battery fault and instead the UPS shuts down.
> 

It's a brand new UPS (3 weeks old) and has failed this way twice, both
after hours. No other equipment at the same site was affected indicating
that there were no power problems.

upsc says this about the battery state:

battery.charge: 100
battery.charge.low: 10
battery.charge.warning: 30
battery.temperature: 34.9
battery.type: PbAC
battery.voltage: 54.6
battery.voltage.nominal: 48.0

thanks

James



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