Have you tried changing batteries?
If that doesn't work then try rebooting your 360 and/or hub.
I would also, check the automated Service Status number 0800 561 0061. This often gives details of more localised issues down to postcode level.
Otherwise as per tv-error-codes/cs8400 contact VM.
A member for the forum team may pick this up in a day or two, but if you want a quicker repsonse then contact faults - 150 from a Virgin landline or mobile, or 0345 454 1111, option 2 (Faults)
When calling Faults you will hear the automated response asking you to press 1 for the link to online support etc
Ignore all the options and don't press any buttons then you should be placed into a queue and an agent should pick up the phone and book the tech for you.
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