I also have the same problem, my drive worked for 3 days but after a shutdown when power was re applied the front power light started flashing without me pressing the rear switch, and does nothing else, reset will not cause a reboot, my router reports no connection to the MSS11, so I can do nothing with it, Tech Support says return it.
My first MSS11 lasted only 7 days, and then after a self test reported the drive needed replacement with error message AEA9DD68 but appeared to work correctly and said the disks wre healthy. Tech Support gave no advice and recomended it was returned. On the first one I was able to remove my data befor returning the drive, but this drive will not even let me do that which is serious, as I have sensitive business information on the drive.
I have a suspician that the problem is in its preboot test, and may be connected to the media server because I started that the day before it crashed, I have a large number of .jpg photos stored on it in a directory outside My Photos, which according to the forums is where I should have put the photos.
What does Media Server do anyway, as I can see the photos over the network with out starting Media Server.