[Nut-upsuser] CyberPower DX600E won't switch up after power

Franck franck at secretfatty.net
Thu Jan 10 20:52:26 UTC 2013

On 2012-12-05 21:38, Arnaud Quette wrote:
> 2012/12/1 Franck <franck at secretfatty.net [4]>
>>> Date: Mon, 26 Nov 2012 19:34:28 +0100
>>> From: Arnaud Quette <aquette.dev at gmail.com [1]>
>>> To: Franck <franck at secretfatty.net [2]>
>>> Cc: nut-upsuser at lists.alioth.debian.org [3]
>>> Subject: Re: [Nut-upsuser] CyberPower DX600E wont switch up after
>>> power
>>> right. we need to monitor the UPS while its shutting down...
>> Well Id like to try that; but Im 2000km from my UPS and It seems to
>> be problematic for me to have the test done.
>> But anyway I just got this reply to my quite random inquiry to
>> CyberPower (wrong country) support:
>> "I can only make vague guesses because I have never seen the
>> product you have, and I am not familiar with the software you used
>> to generate that data.  The following values stand out to me.
>> battery.voltage: 4.7
>> battery.voltage.nominal: 12
>> ups.load: 31
>> If I am interpreting them correctly your battery should be at 12
>> volts, but it is only at 4.7 volts?
>> And the UPS load is 31%?
>> If the battery is at 4.7 volts it will not pass the power on
>> self-test. It needs to be somewhere above 10 volts (Perhaps 10.5 or
>> 11)before it will pass the self-test and let the ups turn on.
>> Other possibilities.
>> If you have the computers set to auto start when power is restored,
>> they will turn on simultaneously, if there has been a power loss
>> that significantly drained the batteries, they will have very little
>> energy when the power is restored.  The power on self test checks
>> the CyberPower’s ability to run on battery by stopping access to
>> wall power and forcing the UPS on to battery power.  If the
>> batteries are very low and the auto startup of the computers hits
>> while they are being tested then the load of the computers on the
>> weak battery could cause the voltage to drop and the self-test would
>> fail.
>> One or both of your computers has an Active PFC power supply and
>> your UPS is not a sine wave ups. If you are not familiar with this
>> problem, just search the internet on the terms “active pfc” and
>> “sine”
>> The battery in the UPS could be defective.
>> Again.  I do not know the product you are asking about so I
>> can’t provide an accurate diagnosis.  I can only suggest
>> possibilities.
>> "
>> So if the guy os right and this might be a battery problem.
> hem, ups.load is the load on the UPS output.
> what you were looking for is probably battery.charge.
> battery.voltage seems indeed wrong, but to me, thats another issue.
>  yours is with the restart function, that is tied to the USB/HID data
> I mentioned before.
> monitoring these counting down should help understanding how these
> actually behave.
> its true that being 2000kms away doesnt make things easy.
>  but there each problem has at least 1 solution:
> instead of doing a full reboot cycle, we can just monitor for 10
> seconds, and cancel the procedure
> - stop NUT after the reboot,
>  - restart the driver in debug more (/lib/nut/usbhid-ups -DDDDD 
> myups)
>  and upsd (simply type "upsd" as root) in another term
>  - then execute "upscmd -u ... -p ... myups shutdown.return"
>  CAUTION: wait no more than 10-15 seconds!!! Otherwise, your server
> will crash!!!
> possibly monitor your unit with upsc
> - then execute "upscmd -u ... -p ... myups shutdown.cancel" (mention
> -u and -p to avoid loosing a few seconds!)
>  -then Ctrl+C in the driver term.
>  and send back the driver output, in compressed form.
>  you can then restart everything as usual...

I coudln't perform the test, so I bought a brand new  USV Aiptek 
Powerwalker VI 650 LCD.
And guess what...  I have the same exact behavor:
It doesn't switch up after beeing unloaded; when the power is back.
Any idea?


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