Baumatic bt63gl cooker hook

[Liverghouls]

Hi our baumatic bt63gl cooker hod fan has slowed down a lot usual than normal on all 3 settings does anyone know why this is, it's in recirculating mode, but everything seems fine I can't check pcb as haven't the software or tools, any suggestions would be great it's urgent thanks all any help I can give back just shout!

 

[R-fur]

My guess would be the bearings, open it up and try turning it by hand. Power off first of course.

 

[buzzlightyear]

they are the worst extractor fans on the market ,when the motors off line the bearings .