Ferguson Freeview Box

[Misky1]

Since the re-tune earlier this month, my two month old Ferguson freeview box is driving me mad. All the channels are where they should be, but it won't always record what I ask it to. If it fails to record, there's a message to say that it failed, but no reason why. It's a twin tuner one, where I can watch one channel and record another (even record two channels if I watch one of them). It doesn't happen on any particular channel or at any particular time or for any reason I can see. Has anyone any ideas what may have gone wrong, or do you think I should just take it back to the shop?