An error has appeared on many PS3 consoles preventing some video games from being played.Reports have surfaced on some PS3 forums, with the most common error being 8001050F. This stops users signing into their PlayStation network account. This may stop you playing games offline as well as online!
It appears the problem effects pre PS3 slim consoles.
Sony are aware of the issue and are investigating - some of the games effected included Heavy Rain, Tekken 6 and Darksiders.
Playstation Network Error Code List :
0710102 – DNS Error; No DSN server available.
8001050B – Will not play demo hard drive games, when Blu-ray disc is inserted – Cause unknown
80010510 – Will not play hard drive games – Cause unknown
8002b241 – DVI has no audio.
80028EA5 – Unknown
80029023 – Exchanging Key Information exchange has timed out
80029024 – The attempt to obtain an IP address has timed out
80029564 – Downloaded Game will not install – Cause unknown
8002F997 – Can not update XMB firmware
8003051E – Game will not Save
80031150 – System Settings Fail to Save – Possible Blue Screen “Setting information is corrupted. Press the x button to repair and restore default”
80130203 – PS3 connects to internet but not to network – Typically means that the required ports are not open to connect to store but PS3 can connect to internet.
80710092 – “An error has occurred. You’ve been signed out from the PS network” – (connection dropped?)
80710102 – PS3 Cannot connect to the router with current IP information – Try rebooting your router
80710541 – The connection to the server timed out.
80710B23 – PS3 Network is Down or PS3 Network is too busy to respond
(Source: Internet)