asked

I have a Thermador chimney style hood fan Model #HDW42TS which was installed in 2008 and is making loud noise intermittently after operating for a few minutes. It is rated at 750 CFM so there are two fans, and the noise seems to be coming from one of the fans (Elica Model #S80-40ARP7701UL - 120V 60Hz 2,1A) but not both. Could this be an imbalance due to grease build-up or bearings? Should I dismantle and try to clean or do the actual fans usually need to be replaced after twelve years of moderate use?

July 27th, 2024

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