You have 2 boxes labeled the same both the DVR and an XiD are labeled Master Bedroom. The box you’re talking about the serial number ends in 2163. It’s the one with a low and out of spec moca rate. Moca is what the boxes use to communicate. Can you give any details on house wiring, splitters, amps etc?
Amps= any amplifier in your house. There’s something impeding communication between the DVR and that box, it’s going to either be a splitter, the cable outlet itself or the box ending in 2163 (or combination of those). Couple things to try -take the cable off the wall plate for 2163 and re-seat it, reset both DVR and 2163 -swap locations with your other XiD temporarily and see if the freezing follows the box Try those and I’ll take a look at the equipment again,