Dish is aware of a problem with nodes and cold temps. Very likely what you are running into. There is also a signal problem with 2 Hopper systems (does not happen on single hopper systems) where randomly each tuner will only see 1 instead of 3 (for western arch) satellites. It is at this point an unsolved problem.
Edit: Didn't realize how many replies were on this thread, my post was probably redundant.
Johnners issue is most likely signals loss due to a misaligned dish. The cold weather issue is only affecting dual nodes and specific LNBs, he's using a single. What is this tuner problem you are talking about?
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