722k gets loud

722k was replaced a couple of weeks ago to correct an LNB Drift problem. Drift has not reappeared since I've had this receiver, but the receiver gets loud every morning about 9 o'clock. Sounds like a fan, could be the hard drive. First time I unplugged/replugged the receiver and the sound did not resume until the next morning. I've since found that just pressing the red reset button will silence the receiver until the next morning.

Yesterday I did not press the reset to see if it would...

722k gets loud