Just an update.

Meridian tried to resolve the issue remotely, but could not. MD600 simply didn't see any disks.

I packed the MD600 together with the disks (WD30EFRX), returned to the dealer.

Dealer received a new MD600 from Meridian, put my disks in it, tested and sent it to me.

Now I can start ripping again smile

Main : C15, MD600, Aurender N10, EMM DAC2X, Boulder 865, Oppo BDP-95, JM Labs Maestro Utopia
Office : PC, Resonessence Invicta, HD800