might just need a total strip/de fluff and vacuum inside out.could also be a faulty stat?
ck
December 2011
If not used on high heat much, probably normal, burning off, debris etc. (think about it, clothes tumbling around, fibres get knocked off all the time, they have to go somewhere.) If you can get to see the element, make sure, nothing around it. But
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Try fixfault.com to fix tumble dryers.