Check your BISS Keys are STill Valid and working then check your Dish,LNB,Cable and Even make sure your getting Free To Air channels from this sat Telestar 15W
Correct Freq for ESPN = 12511 v 7552 FEC 3/4 DVB-S [ SD ]
MPEG 2 - 4:2:0
it was not working for me on Saturday but I just changed the Frequency to the ones in barney2222 post and rescanned and now it works fine, although there was plenty of signal on the old 12515 transponder just wasn't opening