If you are having trouble getting EAC to convert to Flac on rip, it may be that you are trying to rip to a NAS (network) directory. It seems EAC doesn’t like using a NAS directory when converting files. I assume it has something to do with no “solid” drive path to the file that needs to be converted after it has been ripped to Wav.
Everytime I hit “shift-F5” or clicked the CMP (copy selected tracks compressed) button, EAC would only rip the tracks as Waves (not convert them to Flac once they’d been ripped).
I having a feeling a command line change could solve the issue (some sort of change to the %source% and/or %dest% settings), but my quick fix for now is to map the music directory on my NAS to a Mapped Network Drive. Once I did that and pointed EAC to the mapped drive instead of using the network path, everything worked fine.