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ResMed Airsense 10 suddenly blowing too much air

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BugLife +1 point · over 3 years ago Original Poster

I've been using my Airsense 10 for about a 1 1/2 years. I've had no problems with it until a few weeks ago. As soon as I would turn it on, it would blow too much air. Turning it off and back on would fix the problem. Well, now turning it off and on doesn't help. Last night the air was so annoying and loud I had to not use the machine so I could go to sleep. Is my machine broken or is there something I can do to get it back to normal?

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SleepyMommy703 +0 points · over 3 years ago Sleep Commentator

This happened to me twice with my Resmed 9. The first was my very first machine so I didn't know any better. But after a month of struggling with it I took it in to the tech at my sleep doctors and they checked it out and determined it was faulty and gave me another. The second machine worked for almost a year and then I had this sudden blast of air coming from it so intense it choked me and I couldn't breath. Same thing as you where if I turned it on and off it got better but that only worked for a couple of days. I took it in and they checked the pressure and when they checked it didn't happen, but the pressures were still off. They gave me a new machine and said it wasn't worth the time and effort of sending the old one back to Resmed to be repaired.

Definitely get in touch with your supply company and let them know it's malfunctioning.

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sleeptech +0 points · over 3 years ago Sleep Enthusiast

Is it possible that you have adjusted you ramp control without noticing?

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CharmingSalmonSeaLion +0 points · over 3 years ago

When this has happened to me, it has been due to a mask leak, which drove my APAP to ramp up the pressure, With the result that I would awake, trying to exhale against what felt like a hurricane. After turning off the machine, it would revert to normal functioning. That was a RESMED gen 8. I’ve had no trouble with my Gen10.

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Varmit +1 point · over 3 years ago

Have only been using a machine for about 2 months, but have had the same difficulties. Mine is a Res Med Air10 with a prescribed flow (non-adjustable) between 12 and 20. The only way to change the flow rate is to turn off the machine and use a 25 minute pre-ramp. Called the tech office and was supposed to see her. For whatever reason she brushed me off till next month eval. Being so new, I accepted this, though very pissed. Discovering this forum has helped a good deal. First, discovered many others having same experience with the Res Med. Secondly, these same folks arranged for a machine checkout, which in some cases resulted in discovering faulty mechanisms to the extent new equipment was ordered and the problem seems fixed. At the moment I'm hanging in here for a few days till schedules allow a visit to the tech office. Unless there's an emergency there will be no brush off. I would suggest a visit to your tech and get your equipment checked out. In terms of a mask leak, that maybe the case. However, the pressure should reduce automatically when the leak is stopped by adjusting the mask. Remember, that gravity/age, etc causes our facial muscles to relax over a few hours of sleep. Am pretty sure this is the cause of my leaks. I was told the pressure regulated itself in response to each breath. In my case re-positioning the mask and stopping the leak did not result in lowering of the pressure. It remained at full force until I turned off the equipment and restarted. Also, I read descriptions of the full face masks and there is one which has greater sealing properties. I'm going to add this change to my discussion. Good luck and finding a solution.

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SilentSleeper +0 points · about 3 years ago

I’m new, 10 days in, to sleep apnea therapy, specifically ASV, and this is the same kind of thing I’ve been dealing with. Because I’m new to this I thought it was just something I was supposed to get used to. I think it starts when the machine ramps up to full pressure, probably when I stop breathing and need it the most, but I am overwhelmed by the pressure, it wakes me out of sound sleep, I can’t take a breath in because of the pressure, it forces air into my mouth and out the sides of the mask because all that air has to go somewhere! Have a call in to the doctor.

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SleepyMommy703 +0 points · about 3 years ago Sleep Commentator

Do you have it on a set pressure or auto? I'm having trouble with my Autosense machine now as I'm finding with the auto it goes much higher than I actually need and it's causing me to wake and to have side effects like lots of leakage, dry mouth, etc. I also think it ramps up faster than it should when I set the ramp time. I'm going to contact my medical equipment provider and see what they say.

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PuffInAndOut +0 points · about 3 years ago

ResMed had a recall a while back. The models involved Should be listed on their website.

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wiredgeorge +0 points · about 3 years ago Sleep Enthusiast

Was your machine involved in the recall and did they send any notice to you directly? A quick google search for resmed recalls produced this bit:

https://www.tga.gov.au/alert/resmed-devices-use-adaptive-servo-ventilation-therapy

More recently here in the States: https://aasm.org/special-safety-notice-asv-therapy-for-central-sleep-apnea-patients-with-heart-failure/

Canadian Govt put out this list of affected machines: http://www.healthycanadians.gc.ca/recall-alert-rappel-avis/hc-sc/2015/53273r-eng.php

I can find NO recall info on the ResMed website.

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rachelm920 +0 points · about 3 years ago

Hi I'm new, and I started this issue last night myself. I just got the machine on Thursday 5/24, and used it for the first time Friday 5/25 (We forgot to purchase distilled water LOL). Friday-Sunday night were fine. Then all of a sudden last night it got so intense that I had to rip my mask off because I felt like I was suffocating. I looked at my unit and it said it was at 18 pressure which is the highest setting the tech setup for me. It was only about 30 minutes after I turned it on. It woke me again not so long after with the same thing, so I then googled how to turn it down. I couldn't withstand the 16+ pressure points. I turned it down to a max of 15, and was able to breathe fully for the rest of the night. My doctor/tech put in a variable pressure due to my insurance not covering an overnight stay and only a home study. I go back in July for a check. My app said I had 11.2 events per hour last night vs. 4.4 on Sunday night. I saw this site when I was googling, and decided to join today. I also have an airsense 10 autoset and a resmed airit f20 full face mask. I'm a mouth breather so the nasal pillows would be useless to me.

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