While you wait for answers, we may have found some information which could help you.
Click here for Cooker Hood WorksCant find lighting fuse on Diplomat APP2200 hood?
how to tell which part has failed on Hygena APP2420 cooker hood?
Changing cooker hood fan?
Hygena AP2500 Cooker Hood?
Hygena APP2420 fan cuts outer after 5 mins?
my hygena app2440 cooker hood needs new button control unit ?