Firstly remember that PS3 is affected by the heat. You ought to recognize that this happens to many systems, and it will mainly render the PlayStation 3 to freeze at some point. The same thing can happen to a computer actually; heat will either cause it freeze or shut down entirely.Are you aware how to verify the connections switch off the unit manually via the onboard switch in the backside, cut off all cables, and then remove the hard drive?Try and see after 10 minutes  reattach the cables, hit the switch, and see if this solves your problem. Learn more here: fix ps3 blinking light ?