Cannot detect SWM...? - DirecTV

Hi, we are trying to setup an install at a cabin with a Slimline 3 SL3S4NR2-14 and H25-500 receiver. We are getting the message "Cannot detect SWM" when we start the box. We do have a power inserter hooked up. No splitters or anything as it's just for one receiver/tv. Does this mean it cannot even see the dish? i.e. At this point in the game is moving the dish around and trying to adjust it for signal pointless? Trying to figure this out with limited connectivity. Is there anything to try or test?

Many thanks!

This question, "Cannot detect SWM...?," is about DirecTV channels, programming, equipment, and sports.

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