I think I may have solved the problem. last night, I use my defunct M series A flex power unit to run the PR System 1. So far no shut down The only difference is the amphere rating (4.5amp for the M series and 5.0amp for the PR System1). I guess it shoul be ok to use.

It's printed as "Remstar Auto" and I guess "20110104" is the date

thanks for the reply. I will check the "Auto Off mode"

I used to have this problem during the initial stage. I was adviced to switch to the nasal pillow type which doesn't cover the mouth and I'd been using it since.

I have not check edthe manufacturing date. Thanks for that new finding/rgds Tim

Hi, I bought a new PR System One remstar and after using for a few weeks, the m/c just stop in the middle of the night. There is no display on th LCD and no bleep whsoever when I powered it up again. The system is restored aging after few hours. On the second night the same thing happened again. Ple...