Interesting T17E problem raised its ugly head. Don't think its limited to this particular model but most of the *17 range.
https://i.postimg.cc/fLzgwSvr/T17-E-temp-error.pngLog file looks normal up till the moment of outage, when it switches from temperature readouts to errors reading the temp chips.
This is after over a month of uptime with no errors.