Forum · ResMed H5i Humidifier Problem

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[-] RationalAmberSquirrel5638 +0 points · 7 months ago

Hello, I have a ResMed S9 with H5i Humidifier and Climate Lined Tube and it use to work great. When I first started using this system 5 years ago, a single humidifier tub of distilled water would last 8+ hours at the lowest setting of 60. Over the past few months, the tub runs out of water within 4-5 hours and it seems the humidifier is running at a much higher level blowing hot air causing me to wake with a dry mouth. I replaced the climate lined tube thinking the sensor was not working but it didn't help.

Is there anything else I can do? Does the system need to be tested/calibrated/fixed by the manufacturer or by the CPAP supply company I purchased it from? Has anyone else had this problem?

Thank you community!

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[-] wiredgeorge +0 points · 7 months ago Sleep Enthusiast

Howdy! Running the water reservoir dry quickly? Dry mouth? Do you monitor your leak rate via the tools provided by ResMed? The feedback from: https://myair.resmed.com/ may prove valuable. Not only does this feedback track your AHI but also your L/Min (leaks per minute). A leaking mask may very well be the reason as I have gone through this situation myself. I don't have the exact machine you do nor the same humidifier and tubing but my water reservoir ran dry in a few hours and I had terrible dry mouth until I fixed the leaking issue. If you do monitor through myair, what is your normal L/Min value?

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[-] Sleep +0 points · 7 months ago

I agree with wiredgeorge that you may want to look into leaks. I would also contact the CPAP supply company you used to see if they can check your machine for issues.

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