My DCH6416 will only display a zero. You can change the channel with the remote. But only momentarily then it goes back to zero. There's no sound or picture?
Sounds like the program may be hung up. First try a hard reset which means you need to unplug it from the power strip. Wait 15-20 seconds, then plug it back in and see if that resets the program. If that doesn't help, try the 800 number that you used when you first turned it on out of the box. Lastly call your cable provider.
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