Lost Digital Audio Output on VIP622

[madison]

Just found the digital audio lost of my VIP622 and not sure whether it is caused by recent software version upgrade or hardware defects. Should I call "E" for the replacement of DVR?

 

[KAB]

Just found the digital audio lost of my VIP622 and not sure whether it is caused by recent software version upgrade or hardware defects. Should I call "E" for the replacement of DVR?

Reset the receiver? Check cable and connection?