crwdns2934241:0crwdne2934241:0 Leonard Smith

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Loud whine when working

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My ResMed AirSense 10 CPAP makes a whining noise when it's on. The whine rises in pitch when I remove the nose pillows and as I breathe in and out, and the whine can be louder or softer on different nights. Do I need a new blower?

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ResMed CPAP

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open