I have a hr21-700 and a slimline dish. I am getting 771 error codes on these channels. 92, 202, 209, 242, 244, 273, 278, 282, 325, 327, 331, 504, 518, 520, 544, 607, & 612 that I know of. My install was originaly done for a 4 box system but after realizing that my dvr had an rf remote i...