ProxyAV is reporting the following error :
Metric: 3V battery voltageCause: State changed from OK to Warning, current value is 3.25.;CHARSET=;SUBJECT=ProxyAV On Board Diagnostics Alert.;TARGET=%TARGET;
This warning is not caused by an actual hardware fault, it is a bug with the operating system. It has been fixed in 18.104.22.168PR
No RMA is required for this issue.