have just moved into newly built house n had phone line n broad connected and everything worked fine. electition came back and connected 4 wires into back of face plate that connects to master socket and now i have no broadband. all the phones work but no bb connection. if i unscrew face plate and connect to master socket then i can connect again. have all the filters connected properly and tried three modems but still have to use master socket. can anyone please help me with this