If memory serves those faults sound like no comm to floor controller boards and each fault will tell u which one isn't seen,the board on the CPU is the gateway board and daisy chains to each controller gives u group communication xg3 plug.sounds like bad gateway board,u could try Lon download 5-7-2 on inspect which forces every node sometimes u have to do it a couple times as for 16 floors that car might need a shaft setup 5-2-1 but if u unplug one car the last gateway needs the terminal resistor I can look at my fault codes tomorrow don't have them with me.