It just starting doing this out of the clear blue sky. The channels are changing in rapid fashion, and nothing I do makes it stop. The 922 doesn't respond to the remote nor any buttons on the front panel. I've already unplugged it at least 10 different times so far, one of those times for at least an hour...when it comes back on, it's once again in the channel changing loop. Has anyone ever heard of such a thing? I have no clue myself. But it has nothing to do with any lost remotes that are stuck or anything, in case someone suggests that as a possible culprit. I still have a working 905, but that won't do me any good with dvb, since I use the 922 to move the dish. Any clues?