Thanks for that, I eventually got it fixed under warranty.

I would like to be able to at least get a code out of it before even contemplating returning it. I am current working on a remote mine site overseas, so the logistics of a return to the US is a real pain.

Peter.

I have a Respironics REMstar M Series Auto with A-Flex unit that has stopped functioning and has the message "Service Required". I have been sent a copy of the Clinicians Manual, but it does not cover this error message at all. If you can help diagnose the issue I'm very happy to listen to suggestio...