Having no end of issues with certain HD channels, usually beyond the 150 range. Pixelating and un-watchable. This has been happening for a couple of days now and done the usual of turning off and on again, not able to call help centre at moment.
Welcome to the Community, I'm sorry for the problems you've been experiencing with your TV service recently.
Using your Community details I've been able to locate your account to run some tests on the set top box and I'd like to arrange for an engineer to come and take a closer look, if you're still experiencing issues after you've tried the suggestion above?
I'll send you information regarding this in a private message, which you can view by clicking the envelope on the top right of this page.