Purchased Neff built in double oven model u1ace2hwob from John Lewis end Jan 2019 fan failed when only 2 weeks old John Lewis were very good told me that I had 3 choices replace,repair,or refund, as it was under thirty day old.We decided replace it with a new one same model.This was fitted by John Lewis this has lasted 1 week same problem fan failed will be asking for refund will never buy Neff again ,no complaints about John Lewis.