We just had a multiroom decoder off our parents account installed at our house and are having two issues;

• Every channel we go to starts with a blue error box saying "CA:8", if we go into the settings then come back out the blue box goes away
• We are currently getting no image in TV1, TV2, U, Maori TV basically any TVNZ channel that has a Freeview equivalent

 

We had a guy come out and help set up the dish to receive Sky and he said both these issues could be because the decoder is an old one and Sky just needs to 'send' some information to it over the dish. He said the problem with the blue error box might just go away.

Is there anything we can try and do at our end to try and fix? I can understand the blue box error sort of, but the black screens on TVNZ channels seems to be a tuning issue to me
Any advice appreciated