Hi folks. Thanks everyone for your fine suggestions. I'm ok with my ResMed model 11. It only produced that oder one time. Its Ok now. So thanks everyone! Marvinh

Hi Pugsy.
No this odor came on suddenly and woke me up.

Not burnt plastic smell. Its hard to describe. Like a piece of medal that is being ground to a smooth finish. And these are the shavings that are left over.

Yes, I have water in the humidifier chamber.

Thank you. Marvin

Hi Zonker. Thanks for your reply. No, this was not a new car smell. It was coming from the airway of the unit. Thanks. Marvinh

Hello. I am using the ResMed model 11 and 2 nights the CPap machine put out a nasty odor in the nasal pillow I was using. This happened once while I was sleeping but it sure woke me up? Has anyone heard of this happening? What could have caused this bad odor? Thanks. Marvin

Hello. I am a newby and I have a new ResMed Air fit N20 mask. I'm somewhat of a mouth breather. I was provided with mask that goes over my nose. This mask is very comfortable but I was concerned I might need a full face mask. I tried the full face mask and I found the frame and headgear to be diffic...