The Superdish did have some flaky LNBF's that goof up when it gets warm out. You may show 100 on the signal meter but nothing on the channels.
Call DIsh tech support and they can send out a new LNB to replace it. You then send the old one back. My grandma had the same issue with her Dish500 DishPro Twin. TP18 on 119 would go bad. Swapped it out and no issues for 2 years
