I have been getting XRE-03059 errors recently. It's usually on ABC, and occasionally on Lifetime channel. Today for the first time it was on FOX, right in the middle of the Rams/Seahawks game.
I know this is a tuner signal error, probably due to my use of a splitter. It happens pretty rarely, so it rarely bothers me. In this particular case with FOX I can tune to the non-HD channel (12) if I really want to when the HD channel (190) spits out that error. (What I believe is the HD streaming channel (1032) also spits out the error.)
But here's the odd thing: If I record the HD channel (190) I can then go into the DVR and start watching the recording, right up to the current live time, and it's fine. Just like watching it live.
I have had techs out to the house and they just tell me my signal levels are fine, even with the splitter. Unfortunately I think the only way to get them to do anything is for them to actually be here when the problem is occurring (Murphy's Law at work.) But I have also gone into the DVR diagnostic menu both when it's working and when I'm seeing the error code and the signal levels are always the same.
So for people who have this problem (I have seen quite a few posts about it), try recording the problem channel and then start watching the recording. Works for me.