Since a few days, my ESS system doesn't see the AC input anymore. On the screen of the CCGX the red "grid" block just has 2 stripes and no info on the AC power input, etc.
And in the VRM monitoring all the graphs relating to the AC input have flat-lined.
The system still seems to be working OK.
Only the battery is discharged to 30%, while the software limit is set to 50%.
And I have frequency oscillations up to 50.80 Hz for around an hour in the afternoon, when the PV stops producing serious power, because of shading.
Also I can not connect remotely to the CCGX Remote Control, but I am not sure that that is related.
See attached pictures.
I have already rebooted the CCGX > no difference.
Frequency oscillations on the output: