We have an extractor hood over the hob. It has a single 7-segment display, to indicate fan speed. The other day it started flashing an “F” while we were burning some sausages for lunch.
Scrabble around to find the manual. Oh, it means the filter needs cleaning. The manual says this should be done once a month.
We’ve had the hood for 17 years, have never cleaned the filter, and this is the first time it’s whinged...
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