John & Den... Thank you very much for your replies. I did try it out the way you suggested.. i.e. put on the mask first and then start the machine. Everything seems to be working fine. Such a simple 'process' fix and a night of 'real good' sleep! Thanks guys.

Ram

I bought a ResMed S9 Auto machine from the distributor in the West coast (U.S). It worked fine for just 1 night. From the second night I'm having problems with it. Instead of a slow stream of air, when the machine is switched on, it lets out a gush of wind through the pipe making it impossible to pu...