Hello. On Sunday morning the DN tech came by and installed the 1000.4 dish. I now have 61.5, 72, 77, and 118.7. Then Monday morning I lost 61.5 signal and there was a message on the screen saying "You don't have to call us. We are aware of this problem. Your local channels are not available. Press "Guide" and watch non-local channels." Then Monday evening I call DN Tech Support and the tech told me to unplug the power inserter and plug it back in. After this I got my local channels back. But this morning I have lost the signal again. What could be causing this issue?