Error message 4001 - DirecTV

#1
Everything was working fine on my iPhone U-verse app, until changed to giga power and put in a new DVR. Now I get the error message 4001 in the media room which is where the new DVR went. The other TVs are completely OK and the app works fine but will not connect with the new DVR

This question, "Error message 4001," is about DirecTV channels, programming, equipment, and sports.
 
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