First get a friend who hasn't got a cat to try it out, as it could be that it is overheating because you have so many cat hairs! As time goes on, you will have fewer and fewer; if it overheats at your friend's house then take it back and explain the problem. They should exchange it without a quibble, but check it out with the friend first ...

I already have a current account with Alliance & Leicester but they refuse to give me one that earns interest as I live out of the UK and have no address there. Does one exist with another bank?