Sorry to cut in here.
I was/am having a similar problem to that of the O.P.
My original set up included a Dish 1000 feeding into a VIP622 and a VIP211.
The problem manifested on the 622 which became stuck on screen 015 "Acquiring Satellite Signal" never making it past step 3 of 5, while the VIP211 worked perfectly. So like the O.P. I immediately assumed I had malfunctioning 622.
Called Dish, they walked me through the usual steps, everything checked out OK but still couldn't get past the 015 screen, the friendly tech told me he had to check with supervisor, after a while he came back on and had me run the checks again just to double check. No dice, still stuck on 015.
So they sent out a tech who, checked the dish, checked the cables, checked the receiver, ran check switch tests, checked connections, and eventually decided as a last measure to switch out the cable from the wall barrel to the dish itself, nope still stuck on 015.
The guy goes to his truck and brings in a new 622 and tells me he's going to replace mine because it's faulty. I ask him if it would be possible to just leave the unit with me or have dish send me one and have me hook it up because I need to transfer all my saved recordings from the old 622, nope he says they can't do that. So I tell him not to replace it and that I will call dish, so the guy just walks out the door and disappears while I sit there expecting him to leave a report of what he did.
I call and reschedule, get a new window for two days later. In the meantime I'm having a hard time getting the recorded stuff off the 622 due to a corrupted file. By the time the second tech shows up I still haven't finished transferring all the stuff out of it.
Second tech is more amicable and agrees to go ahead and install new 622 and leave the old one to give me enough time to transfer recorded stuff and send it in myself to DN. As it turns out he's fresh out of 622's because he's replaced a couple that same day, so he leaves me with a 722. Needless to say I'm happy about this and give the guy a tip and a big thank you before he leaves.
Cut forward to a day later (yesturday/monday) and low and behold the 722 is having the exact same problem as the 622 while the 211 is working perfectly.
Out of frustration I spend the better part of two hours searching various forums for someone with a similar problem. I come across various possibilities; big tree in LOS of the dish which has just exploded with foliage, I wore myself out trimming a good number of branches, I try to peak the dish to get better reception out of the 129 satellite as I'm in the low 40's, nothing works.
Finally defeated, I figure I'll give dish another call later today. As I wind down for bed I decide to do another search and come across the O.P.'s post and try out the same fix he did and reset the receiver to factory defaults and wham problem solved.
You guys think this problem might have something to do with the new software? L5.11, which I have on the new 722, not sure about the 622 will check and post here once done transferring stuff out of it.
Sorry about the long winded post.
Thanks for starting this thread TVfreak, I was about to pull my hair out.