[Nut-upsuser] Shutdown after 5 minutes?

[Peter Selinger]

Rob wrote:
> 
> > I would try the following: plug your computer into a wall outlet, plug
> > a desk lamp into the UPS. First, start the driver and upsd (but not
> > upsmon). Monitor the ups variables with upsc. Pull the power, wait 5
> > minutes or more, see what happens. Are there changes to ups.status?
> > Does the lamp go off? Normally, the lamp should not go off until the
> > battery runs out, which should happen some time after ups.status shows
> > "LB" (low battery). If the lamp goes off before that, there's a
> > problem. 
> > 
> > Then try the same thing again, this time with upsmon running. When the
> > UPS gets to "LB", then upsmon should start slowly shutting down the
> > computer. When the computer is in a safe state, the lamp should go off
> > (the computer will stay on, as it doesn't know it is not plugged into
> > the UPS). 
> 
> When I ran the first scenario you outlined, the UPS stayed on for about 
> 5 minutes (slightly less) and then shut off.  upsmod was not running, 
> but upssched was running for a short while (after I removed power) until 
> I realized it was running and killed it.  Here is the info from upsc 
> during the two relevant points (the second time being just after the UPS 
> shut off)
> 
> While plugged into the wall:
> battery.charge: 100.0
> battery.runtime: 64:41
> driver.name: cpsups
> driver.parameter.port: /dev/ttyS2
> driver.version: 2.0.4
> driver.version.internal: .04
> input.frequency: 60
> input.voltage: 122
> output.voltage: 122
> ups.load: 9
> ups.mfr: CyberPower
> ups.model: CPS1200VA 1.500
> ups.power.nominal: 1200
> ups.runtime: 70
> ups.status: OL
> ups.temperature: 28
> 
> After power removed for ~5 minutes:
> battery.charge: 65.0
> battery.runtime: 46:29
> driver.name: cpsups
> driver.parameter.port: /dev/ttyS2
> driver.version: 2.0.4
> driver.version.internal: .04
> input.frequency: 0
> input.voltage: 0
> output.voltage: 0
> ups.load: 0
> ups.mfr: CyberPower
> ups.model: CPS1200VA 1.500
> ups.power.nominal: 1200
> ups.runtime: 70
> ups.status: OB
> ups.temperature: 42

Let me just clarify: was the lamp already off when you took this
second reading? -- Peter

> I didn't try the second scenario as the first one seemed to highlight an 
> issue of some sort and I didn't think the second scenario would add much 
> useful info.  Was I correct, or should I also run the second scenario?
> 
> Rob