While you wait for answers, we may have found some information which could help you.
Click here for Failed Fan Workinghow to tell which part has failed on Hygena APP2420 cooker hood?
replacement hygena app2420 cookerhood. ?
hygena app2410 cooker hood?
my hygena app2440 cooker hood needs new button control unit ?
How can i fix the cooker hood Hygena PCB for APP2440?
Hygena APP2420 fan cuts outer after 5 mins?