Thanks for the help. I have solved the problem, and thought I'd post for future reference. My mask came misassembled. There is a little rubber part that is supposed to be blown upwards and seal the large hole at the bottom of the mask. My mask came with that part in the wrong position, so that those...

Thanks for the response. One question I have is why my auto machine varies the pressure with the nasal pillow, but stays at the lowest setting with the full face mask? I am set at 10-20. Also the vent rate at 10 should be approx 40, from the graph my total leak rate is over 120. Thats not too high?

Hi. I have found this forum to be an incredible source of information since I got my CPAP machine 3 months ago. Hopefully you can help me with the issue I am having. First off, I have a PR System One Remstar Auto Cpap Machine with heated humidifier. I started out with a Philips Comforgel full face m...