One of our two HR24-500 went on the fritz. Signal strength is good across all transponders and tuners, yet it displays "no satellite signal detected". Have done multiple soft and hard resets. I swapped the two HR24s around and the problem follows the offending unit. I don't understand how the signal strength can be 95-99% yet the same box can't detect a satellite. I have reran sat setup several times. Boot up looks normal, it goes through receiving sat info, then sticks at acquiring guide data. If I bypass that, I get the no satellite signal message. I am stumped. Any ideas? Thanks.