I have brought by Dish box from the house to use in the MH. It's for a single tv,VIP211K, and I'm having issues. Tells me I am trying to view unathorized programing which isn't the case. I get 118 ...
I just went through this with mine. It was as Bert said, the reciever had gone inactive. Called Dish, they "sent it a signal" and everything worked again.
This is not related to what sats you are locked onto, or the status of your account.