AP52 is usually an account or smartcard issue. Did you phone to activate the box?
If you have, then give customer services a call & they will send further signals to the box to try & activate it.
No need to use Scart if HDMI is connected. The ethernet socket on the VHD has no use.
Cable customer since 1993. Services: FH TV, Sky Sports & Movies (2xV+), Talk Unlim Telco, VIVID 100, Virgin PAYG Mobile