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Full face mask and smart start
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eviltim Offline

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Posts: 408
Joined: Aug 2013

Machine: Resmed S9 VPAP
Mask Type: Full face mask
Mask Make & Model: Resmed AirFit F10
Humidifier: H5i heated humidifer
CPAP Pressure: 5 exhale/9 inhale
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location:

Post: #1
Full face mask and smart start
So I recently (a few weeks ago) switched to the AirFit F10 full time and while it's been fine for the most part I've had a few days where I only used it for half the night or so. Now I've never been one to rip off the mask unknowingly (I've done it a few times knowingly but that's a different problem) and I don't remember waking up with the mask off. I noticed last night that I had a hard time starting the machine with just breathing; had to take a rather large inhale to get it to go, so I'm wondering if the smart start failing to trigger after one of my nightly restroom visits could be the cause.

Has anyone experienced anything like this?
(This post was last modified: 09-01-2014 09:04 PM by eviltim.)
09-01-2014 08:52 PM
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justMongo Offline

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Posts: 3,853
Joined: Sep 2013

Machine: ResMed VPAP Auto (S9)
Mask Type: Full face mask
Mask Make & Model: ResMed Mirage Quattro
Humidifier: ResMed H5i
CPAP Pressure: 18 IPAPmax - 11 EPAPmin, PS=5
CPAP Software: Other Software

Other Comments: μολὼν λαβέ

Sex: Male
Location: Калифорния

Post: #2
RE: Full face mask and smart start
Are you setting the mask type in the menu?

The anti asphyxia valve in the FFM might require more "pull" to activate smartstart.
(It's in the elbow on the mask)

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09-01-2014 09:14 PM
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Terry Offline

Advisory Members

Posts: 553
Joined: May 2014

Machine: Philips Respironics RemStar Auto with A-Flex (560P)
Mask Type: Nasal pillows
Mask Make & Model: P/R Nuance & Pap Cap
Humidifier: Integrated
CPAP Pressure: Auto
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location:

Post: #3
RE: Full face mask and smart start
(09-01-2014 08:52 PM)eviltim Wrote:  I noticed last night that I had a hard time starting the machine with just breathing; had to take a rather large inhale to get it to go, so I'm wondering if the smart start failing to trigger after one of my nightly restroom visits could be the cause.

Mine has a big valve in the front that flops open when there's no air pressure, so you don't suffocate. It's extremely difficult or impossible for me to start the machine by breathing into it.

Yours probably does the same thing. It's more likely that you took it off and it stopped, than it stopped so you took it off.

If you can download and view your data you can get a good idea what was going on before you took it off.
(This post was last modified: 09-01-2014 09:20 PM by Terry.)
09-01-2014 09:19 PM
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eviltim Offline

Advisory Members

Posts: 408
Joined: Aug 2013

Machine: Resmed S9 VPAP
Mask Type: Full face mask
Mask Make & Model: Resmed AirFit F10
Humidifier: H5i heated humidifer
CPAP Pressure: 5 exhale/9 inhale
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location:

Post: #4
RE: Full face mask and smart start
(09-01-2014 09:14 PM)justMongo Wrote:  Are you setting the mask type in the menu?

The anti asphyxia valve in the FFM might require more "pull" to activate smartstart.
(It's in the elbow on the mask)

Good catch! Maybe that will help.

(09-01-2014 09:19 PM)Terry Wrote:  
(09-01-2014 08:52 PM)eviltim Wrote:  I noticed last night that I had a hard time starting the machine with just breathing; had to take a rather large inhale to get it to go, so I'm wondering if the smart start failing to trigger after one of my nightly restroom visits could be the cause.

Mine has a big valve in the front that flops open when there's no air pressure, so you don't suffocate. It's extremely difficult or impossible for me to start the machine by breathing into it.

Yours probably does the same thing. It's more likely that you took it off and it stopped, than it stopped so you took it off.

If you can download and view your data you can get a good idea what was going on before you took it off.

What I mean is I disconnect the mask to go to the bathroom, so I'm thinking maybe I crash back into bed and it doesn't start. (I don't take it off, I just remove the hose). Really nothing suggestive in the data other than a large gap in the middle of the last two nights.
09-01-2014 10:51 PM
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archangle Offline
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Advisory Members

Posts: 3,159
Joined: Feb 2012

Machine: ResMed S9 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift FX
Humidifier: ResMed S9 H5i
CPAP Pressure: 16-20
CPAP Software: ResScan SleepyHead EncoreBasic

Other Comments: Happy PAPper

Sex: Undisclosed
Location: USA

Post: #5
RE: Full face mask and smart start
Auto start with FFM varies a lot from machine to machine and mask to mask. Sometimes it works fine, sometimes not at all.

If you're having problems, you may get it to work if you put your hand over the port for the anti-asphyxia valve while you inhale and exhale a few times.

Get the free SleepyHead software here.
Useful links.
Click here for information on the main alternative to CPAP.
If it's midnight and a DME tells you it's dark outside, go and check it yourself.
09-01-2014 11:11 PM
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NickDanger Offline

Preferred Members

Posts: 91
Joined: Jun 2014

Machine: Resmed S9 Autopap
Mask Type: Nasal pillows
Mask Make & Model: ResMed P10
Humidifier: 5i
CPAP Pressure: 9
CPAP Software: ResScan SleepyHead

Other Comments: ResMed Chinstrap

Sex: Male
Location:

Post: #6
RE: Full face mask and smart start
I bet the anti-asphyxia valve is the key. I don't use a FFM (nasal pillows for me), but I find that the machine starts when I exhale, not when I inhale.
09-02-2014 12:11 AM
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archangle Offline
Wiki Editor
Advisory Members

Posts: 3,159
Joined: Feb 2012

Machine: ResMed S9 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift FX
Humidifier: ResMed S9 H5i
CPAP Pressure: 16-20
CPAP Software: ResScan SleepyHead EncoreBasic

Other Comments: Happy PAPper

Sex: Undisclosed
Location: USA

Post: #7
RE: Full face mask and smart start
(09-02-2014 12:11 AM)NickDanger Wrote:  I bet the anti-asphyxia valve is the key. I don't use a FFM (nasal pillows for me), but I find that the machine starts when I exhale, not when I inhale.

Yes, when you have an anti-asphyxia valve and the machine is off, you breathe room air in and out through the valve, not through the hose, and not through the CPAP machine for it to sense.

Some of the air does go up and down the hose, so sometimes it will work, sometimes not.

Get the free SleepyHead software here.
Useful links.
Click here for information on the main alternative to CPAP.
If it's midnight and a DME tells you it's dark outside, go and check it yourself.
09-02-2014 03:44 AM
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PsychoMike Offline

Advisory Members

Posts: 551
Joined: Aug 2013

Machine: ResMed S9 AutoSet
Mask Type: Other
Mask Make & Model: Varies with mood, ResMed F10 is my primary
Humidifier: ResMed H5i
CPAP Pressure: 12-17
CPAP Software: SleepyHead

Other Comments: asthma, cyclist upgraditis, just a little crazy (honest :D )

Sex: Male
Location: Alberta, Canada

Post: #8
RE: Full face mask and smart start
I find it depends on the volume of the mask. With my Quattro FX (nasal mask), it didn't take much of an inhale at all to get the machine to start, with the Quattro Air (FFM) it took a bit more and with the FitLife (TFM) it takes either a bit of a sharp inhale or a couple regular breaths for the machine to figure out I'm tied back in.
09-02-2014 11:47 AM
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eviltim Offline

Advisory Members

Posts: 408
Joined: Aug 2013

Machine: Resmed S9 VPAP
Mask Type: Full face mask
Mask Make & Model: Resmed AirFit F10
Humidifier: H5i heated humidifer
CPAP Pressure: 5 exhale/9 inhale
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location:

Post: #9
RE: Full face mask and smart start
Well, didn't have any issues last night, so I hope this holds up.
09-02-2014 07:38 PM
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