Some models ( including mine) had a warning letter last November sent to us in the post saying a repair needed to be done, so we registered for the repair.Yesterday got the same letter in the post asking us to register! It's an Indesit, and the fluff thingy has been sited too close to the heating element.
Even if you clean the fluff regularly ( I do) fluff still gathers underneath it and it's that bit that can catch on fire.
So,we do use it, but keep an eye on it, and never go to bed and leave it on or go out and leave it on.Indesit will have a lot of these machines to repair, but even so are being very slow.
What did you you think you would have by your current age that you don't?
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as mine is an Indesit not Hotpoint.