The number of flashes is the ones place of the error code. Mobility MCSE: After the LinkStation shuts down.

An error occurred in the RAID array. I've encountered the exact same problem being unable to connect with my D-Link NAS device after doing a Windows update a couple of weeks ago. Proposed as answer by Aphex Thursday, July 16, 7:

Replace the hard drive indicated by the red LED. As I recall the Windows update had a number of Office updates in it. Initialization is in progress.