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Chasing low level leaks
#11
RE: Chasing low level leaks
Cleaned both gaskets, elbow and checked hoses.

Here's the result.

I may try KY jelly for the main gasket to see if that fully seals when connected to the humidifier.


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#12
RE: Chasing low level leaks
That is an odd looking flow rate chart. Is that what it typically looks like?
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#13
RE: Chasing low level leaks
No.  That was a 10 minute run after washing the components.
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#14
RE: Chasing low level leaks
Ok I'll chalk it up as just strange awake breathing.

That Brevida mask should probably be considered a pillows mask type, worth trying to see if that has any effect.
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#15
RE: Chasing low level leaks
Follow up:
Purchased new P10 mask.  All settings as previously used, except I switched back to APAP to see the pressure range over a couple of days that I've gotten this mask.

My setup:
P10 under Knightsbridge cap, dental mouthguard for Bruxism, BSN tape for mouth/lip fluttering.

The machine:
As I mentioned earlier in the thread, new climalite tube, new humidifier tank.  Using a hose holder so that keeps the tube secure.
Setting on Pillows in the menu.

As you can see on the attached graph, there's a constant leak at 6L/min.

At one time added KY lubricant on the tank seal, that didn't do anything.

How do I feel?  Well, not bad, still need coffee to wake "fully" up, but lately I can go through the day and not really need a recovery nap or anything, so that's a good thing.

I guess I'm just chasing this leak to get an absolute zero, or maybe this is just this machine's baseline leak amount.


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#16
RE: Chasing low level leaks
It is obvious this isn't a mouth or mask leak. If this leak was real I believe you would have found it by now as there are so few places it can leak from (literally seal to humidifier tank, humidifier tank, seal/elbow to hose, hose).

Has your machine reported a leak like this since day one? If so that in my eyes would support something off with the machine itself. You could ask supplier about warranty if it bothers you that much, otherwise it doesn't appear to be affecting machine operation and since it isn't a real leak doesn't have the negative issues a real leak would have (dry mouth, noise, waking you up etc).
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#17
RE: Chasing low level leaks
I've had the machine since April 2018. I started using Oscar on December 12, 2020. Looking back through those charts, and where I could find a spot that my leaks weren't mask or mouth, prior to getting the kind help here, it looks like this problem with the machine was there.
Could be the leak sensor needs an offset adjustment.
It's not really a bother to be off for me. As long as I'm getting the therapy and the most obvious, feeling better.

Thanks for your help Geer1.
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