[Nut-upsuser] unexpected UPS status

Roger Price roger at rogerprice.org
Tue Jan 7 12:01:13 GMT 2020

On Tue, 7 Jan 2020, Eyal Lebedinsky wrote:

> I had a (intentional) power outage. The UPS/nut properly shut the system down 
> when battery was down to 20%.
> It ran for only 18 minutes rather than the expected 40 (see later).
> After it charged to 37% I removed power from the UPS. After 4-5 minutes the 
> system shut down.
> However, when I restored power to the UPS the machine powered up immediately 
> (no delay). I though it was supposed
> to wait for a higher charge?

Does the Eaton 5E 1500i have this ability?  I don't see it mentioned in 
Eaton's PDFs for this UPS.

There is no report for variable "ups.delay.start" in your upsc output.
What does command "upsc <ups> ups.delay.start" report?

> Nevertheless, the UPS reported a charge of 58% when the machine restarted, I 
> expected about 20%. Free energy?
> Q1) Does this last exercise indicate a bad battery that woke up on the second 
> restart?
>     Or a failed UPS?
>     The UPS is a Eaton 5E1500i. It is only 6m old and within the warranty 
> period.
> Q2) What is the parameter I need to set on the UPS for a minimum charge 
> before restarting power?

What does command "upsrw <ups>" report?


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