Thanks for this interesting info. Somebody else recently had a post on taking apart a PR S1 Auto. It was nicely detailed with annotated photos in the same way you laid out your excellent document. At the end the poster briefly compared taking apart a PR vs an equivalent Resmed. I remember he also m...

So why don't you replace the "humidity sensor airflow tunnel" and reassemble the Elite? BTW, there is no such thing as you say. You either have a humidity sensor or an airflow tunnel but not both as a unit. Also, how could a sensor make noise? Geez Captain Snark, I'd replace it AND the blower assem...

Hi All, I've been looking online for instructions to self-repair a Resmed S9 without luck, so tonight I tore mine apart because it was making so much noise I couldn't use it, anyway. It turns out it was the humidity sensor airflow tunnel (I think) that was causing the noise. Anyway, here are the ins...