[Nut-upsuser] Incorrect output.voltage readings : CyberPower AVRG900LCD UPS

James N. Grace james.n.grace at gmail.com
Wed Mar 9 00:04:42 GMT 2022


nut 2.7.4
Ubuntu Linux 21.10
CyberPower CP1500AVRLCD
CyberPower AVRG900LCD

The CyberPower CP1500AVRLCD UPS indicates the expected output.voltage value
of 120.0 VAC.
The CyberPower AVRG900LCD UPS indicates *unexpected* output voltage values
of 130.0 to 139.0 VAC.
Note that input.voltage values fluctuate between 119.0 to 121.0 VAC on both
models (as expected).

Searching the mailing-list archives, it looks like various other
CyberPower UPS models are reporting similar (incorrect) output.voltage
values (*e.g.
https://alioth-lists.debian.net/pipermail/nut-upsuser/2015-December/010020.html
<https://alioth-lists.debian.net/pipermail/nut-upsuser/2015-December/010020.html>*)
but I just want to verify that there isn't a patch and/or configuration
adjustment required for the AVRG900LCD model.

Thanks in advance for your time + effort...
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