Slightly odd issue just shown up on my 5000T. I have a lot of previously deleted programs now being relisted but with the failed icon. If I go to play it’s ‘0’ length and on trying to play gives the ‘Recording has failed due to loss of power’ message!
Fortunately the ‘Select’ option meant it didn’t take too long to redelete them, and they’ve stopped showing, at the moment.
I imagine that if you had switched off and then disconnected power from the box for a few minutes that all would have returned to normal – it solves many ills, but maybe not all.