You should pay nothing. I think because you asked for one to be replaced is why they are charging you. I would just call back and talk to someone else. Do you have more than one on your account? Does that one work fine? What I did if I know for sure that my box is the problem I just call them and say it won't power on at all. They will ask you to try a ton of stuff and you just keep doing everything they say (act and go along with the Rep. asks you to do) and keep fibbing to them and say nope, nothing. It won't come on. It’s too bad that some of us have to do this. I just want to get the problem solved. I had this one time drag out for 2 months and I don’t want to do that again.
Good luck
Good luck