Last nights shenanigans with authentication cleared the BO and CU lists on both my 4-tuner decoders. After I got them back on the air the lists were empty and are now slowly re-populating again.
Octo LNB; 2 by 2x4 MS; 2 by ES 5-2; Dedicated PSU for LNB, ES's, MS's; HD PVR 4P x 2; Explora 1; DSD 660; FSM
Have you had the PVR long? If new, this is normal and will take a few more days.
And don't go into standby / turn off, not ever, doesn't save any power / disrupts content capture.