Today is the maintenance that was delayed from thursday. Apparently the European Playstation Blog didn't let anyone know about it, however its all over the US one...
I just checked and that error code means that your internet licence has expired.
Revoked. Explain to us all what you've been getting up to and we'll see if we can get it reinstated.
Thanks. 1 Question. When will psn be back up?
Ring your ISP and tell them to install the Gaming package on your Router