The extractor fan - pull cord timer type - in my bathroom is pushing on 20 yrs old, and yes, is possibly due for replacement which I suspect will be the logical answer.
Anyway for the past 3 years or so, about once a year its performance becomes erratic and I've found that dismantling down to board level, giving it a puff to blow away any dust and then reassembling solves the problem - for another year !! It could be the magic blow but any suggestions as to why after 15+ years of life.
Rob
Is it a timer thingy one? Sometimes if damp gets on a high value resistor and muck sticks there it could affect the timing. Otherwise I suspect a dry joint that you disturbed.
Brian
The dry joint is a likely scenario given age - thanks.
Rob
There's often a large resistor which is part of the mains dropper circuit and runs continuously hot, and dries out its soldered joints.
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