I made an ESS system with Cerbo GX (FW 2.60) Inverter Quattro (FW 2653478) and ET340. I configured the quattro with Grid Code CEI-021 VirtualSwitch OFF and loaded ESS assistant. Cerbo GX does not see the inverter and the inverter remains completely off. I can't disable GridCode CEI-021 because I'm asked for a password that I don't know. Thanks