[Nut-upsuser] There is no voltage information

[Juan Carlos Fischer]

Hello everyone

I'm using: Raspberry Pi 4 Model B Rev 1.5  8 GB "Debian GNU/Linux 12
(bookworm)"

It all started when I updated from version 2.7.4 to version 2.8.0 and the
consequences were the following:

pi at raspberrypi:~ $ sudo upsdrvctl start

Network UPS Tools - UPS driver controller 2.8.0
Network UPS Tools - Generic HID driver 0.47 (2.8.0)
USB communication driver (libusb 1.0) 0.43
Using subdriver: Belkin/Liebert HID 0.18
LineVoltage exponent looks wrong, but not correcting.
LineVoltage exponent looks wrong, but not correcting.
LineVoltage exponent looks wrong, but not correcting.
ConfigVoltage exponent looks wrong, but not correcting.

pi at raspberrypi:~ $ upsc Liebert

Init SSL without certificate database
battery.charge: 100
battery.charge.low: 38
battery.charge.warning: 38
battery.type: PbAc

*battery.voltage: 0.0  <------------battery.voltage.nominal: 0.0
 <----------*
device.mfr: Emerson Network Power
device.model: LiebertPSA
device.serial:
device.type: ups
driver.name: usbhid-ups
driver.parameter.bus: 001
driver.parameter.pollfreq: 30
driver.parameter.pollinterval: 15
driver.parameter.port: auto
driver.parameter.productid: 0001
driver.parameter.synchronous: auto
driver.parameter.vendorid: 10AF
driver.version: 2.8.0
driver.version.data: Belkin/Liebert HID 0.18
driver.version.internal: 0.47
driver.version.usb: libusb-1.0.26 (API: 0x1000109)
input.frequency: 49.9

*input.voltage: 0.0  <---------------output.voltage: 0.0  <--------------*
ups.load: 9
ups.mfr: Emerson Network Power
ups.model: LiebertPSA
ups.productid: 0001
ups.serial:
ups.status: OL CHRG
ups.vendorid: 10af

Except for those marked, all values are correct.

Any help would be appreciated.

Regards,

Juan Carlos
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