All Channels Work Except Basic Cable

Hello,

I had an old box, exchanged for a new box, and the same issue is happening. We have all channels except basic cable, 702, 706, 708, 713.  We live in a condo with basic cable provided, so this is even more strange.  No other channels are affected.  We've confirmed all wires are connected and in good shape, reset the system on our end and Comcast's end multiple times, and the channels actually came back yesterday (just in time for football). We woke up this morning, and they don't work again.  System error reads XRE 03059. Any ideas?