Having just got my leaking overflow pipe fixed (it came off the clip and the fan ripped it open), a day later my stereo has broken...

The radio button doesn't press in right, it goes in and gets stuck, worst of all it doesn't change to radio and then it stops all other functions working even the volume, I can just about get the button back out to get the other buttons working but the radio wont come on at all...

Anyone else had this problem?

Nope.

But this should be a straight forward warenty fix, they will probably change the whole unit.

Never heard of this problem but the warranty should fix and U should ask for a new unit!