This is a shot in the dark, but I wonder if you have a bad power supply ? I've read a number of posts here and elsewhere where folks are having issues with their power adapters, blinking lights appears to be a symptom. I can't say that this is your problem, but it's a reasonable place to start.
Unless you happen to have the appropriate test equipment, the only way I know to check that is to see what happens with a known-working PS. And that of course assumes there's no other hardware failures.
The power specs are in the user guide which can be downloaded HERE (look on the right side of the page).
Here's a clip of the relevant section: