MP2 48/8000 - not inverting
I have a Multiplus-II 48/8000 here in the UK running in ESS mode, connected to a pair of Fogstar 16.1kWh batteries. The system has been running for 6+ months with no issues.
Last night at 23:30, the system flipped over to charge during the nightly off peak rate, battery SOC went from 51 -> 53% and a few minutes later, stopped charging. Since then, the MP is showing 'inverting' in the Cerbo UI, it's showing voltage on AC Out and the ET112 meter is connected and showing Grid usage.
There's no errors that appear on the Cerbo or in VRM online, no configuration changes have been made recently. However the MP is not showing 'Mains On'.
I've tried a full power cycle of both the AC and DC side to no avail. I'm stuck for ideas on where to start troubleshooting,