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My Respironics RemStar Plus with C-Flex takes off like crazy at what seems to be maximum air flow for about 15 seconds and then shuts itself off with an error code in the display E 07. I have had a lot of trouble with loose parts on this machine over the years and have managed to fix them all myself. I can't go to sleep without it and they are so damned expensive that, even with partial payment by my medical insurance, I can't afford a new one.

Anybody know what this error code means.

Thanks. And pleasant dreams.

E-7 is a stack overflow error. RAM is bad in machine. Have to replace the main PC board.

Probably more cost efficient to go this way.

https://www.cpap.com/productpage-advanced.php?PNum=716

Thanks Handgunner!