This morning when I turned on the 922 everything seemed to be ok until I tried changing channels. I could move up/down one channel at a time but couldn't go directly to a channel either by punching in the channel number on the keypad or using the guide. The guide came up but I couldn't select a channel on it. After a front panel re-set it got worse. Then I was back to a black screen only. I was able to go into the menu and open the Weather Channel app. which seemed to bring most of the functions back. For what it's worth I believe the nightly updates are to blame for most of my problems. When I do get the 922 back to functioning properly it always seems to be problem free until the next day.
It's a new adventure everyday, sorta like the Forrest Gump box of chocolates. When you turn on the 922 you never know what you're gonna get:)
Two things need to happen with Hopper/Joey before I make the switch. 1. OTA module. 2. Fix the EHD problem that blocks recorded programs from channels that you no longer subscribe to. 99% of the movies and shows that I have recorded are from channels I no longer have.
I would suggest you contact DISH Tech Support they may recommend to replace your 922.I replaced mine just the other day,I had mine in a cubby hole in my entertainment center and even though the front was open it was getting too hot there,so now I have it on top of the entertainment center where it can breathe.
I own my 922 so I carry DISH's Service Plan so"owned" will still be "owned" when it's replaced,if you don't have DISH's Service Plan a "owned" receiver will become a "leased" receiver when it has to be replaced.
You can go into the Diagnostics Tile in Settings,then select Counters and scroll down to temperatures to see if your 922 is getting too hot,mine was staying at 129 degrees for my average temperature,now my new one's average temp is 122.
Normally you should try a Hard Reset(pull the plug for at least 10 seconds,I leave mine pulled for over a minute for good measures) then if it still does not work right it should be replaced.Good Luck!