[Nut-upsuser] unexpected UPS status

Eyal Lebedinsky eyal at eyal.emu.id.au
Tue Jan 7 12:49:00 GMT 2020

On 2020-01-07 23:01, Roger Price wrote:
> 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?

$ upsc eaton ups.delay.start
Init SSL without certificate database
Error: Variable not supported by UPS

>> 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?

$ upsrw eaton
Outlet description
Maximum length: 20
Value: Main Outlet

Nominal output voltage (V)
Type: ENUM
Option: "200"
Option: "208"
Option: "220"
Option: "230" SELECTED
Option: "240"

Interval to wait after shutdown with delay command (seconds)
Maximum length: 10
Value: 20

Allow to start UPS from battery
Maximum length: 5
Value: yes

> Roger

Eyal at Home (eyal at eyal.emu.id.au)

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