help i dont know what to do any one good with codes??

hi i recently just got back from a very very long break and now i have all set up and when i download the latest update it says- Error code:POL-0250 No response from server.Please try again later or chek networking devices such as cable and router or network settings and i dont know why but it only those that at like 19% and when i click network connection information it says global ip adress is not set the rest is there i have no clu what to do is my ps2 broke or hdd broke ?? can any ome help pleas??