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Hoping someone can help!!!
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apneastinks Offline

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Machine: Resmed S9
Mask Type: Full face mask
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Post: #1
Hoping someone can help!!!
Hello fellow apnea sufferers Smile Ive searched through this board but as of yet I havent found an answer. I Have a Resmed S9 that keeps shutting off in middle of the night.When I look at the machine it reads " over voltage fault" . Anyone have any ideas on how to fix this? I can also make the machine shut off and read this fault by blocking the air coming out with my hand for a brief second. Thanks for any help! Im getting desperate for a good night sleep Sad Robert
(This post was last modified: 01-03-2013 06:27 PM by apneastinks.)
01-03-2013 06:24 PM
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PaulaO2 Offline
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Joined: Feb 2012

Machine: S9 Autoset
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Other Comments: Ehlers-Danlos Syndrome, Hypermobility Type; chronic sarcasm

Sex: Undisclosed
Location: western NC, USA

Post: #2
RE: Hoping someone can help!!!
Several things to check:

Do you have smart start on? If so, turn it off and see if that works.

Check the plug and where the plug fits into that block in the power cord. make sure everything is firmly in. Do the same for where the cord plugs into the machine.

Do you have a cat? Any chance the cat is sitting on it and doing something? Doubt that is it but cats are weird.

Do you have the humidifier attached? If so, take it off and try to see if you can duplicate it with just the machine.

PaulaO2
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01-03-2013 06:43 PM
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zonk Offline

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Posts: 7,908
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Machine: A10 AutoSet
Mask Type: Nasal mask
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Sex: Male
Location: Australia

Post: #3
RE: Hoping someone can help!!!
if you,re using the H5i humidifier ... you need 90W power supply
01-03-2013 06:43 PM
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apneastinks Offline

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Posts: 10
Joined: Jan 2013

Machine: Resmed S9
Mask Type: Full face mask
Mask Make & Model: unsure
Humidifier: unsure
CPAP Pressure: auto
CPAP Software: Not using software

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Sex: Male
Location:

Post: #4
RE: Hoping someone can help!!!
Ok everthing has been plugged and unpugged..... all i snug. The power supply machine and humidifier all came together.....all was new and unused. Ive had the machine maybe 2 yrs or so. Will try disconnecting humidifier and see what happens. Smile
01-03-2013 06:49 PM
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zonk Offline

Advisory Members

Posts: 7,908
Joined: Feb 2012

Machine: A10 AutoSet
Mask Type: Nasal mask
Mask Make & Model: Activa LT
Humidifier: Integrated /ClimateLineAir
CPAP Pressure: 9/13
CPAP Software: ResScan

Other Comments: CPAP since Nov 2010

Sex: Male
Location: Australia

Post: #5
RE: Hoping someone can help!!!
other possible causes
mask comes off and the smart stop is enabled
hose disconnected from the S9 outlet or the H5i lid is open/ajar

see if any of the reasons apply to to you
Why is my therapy device shutting off at night?
http://www.resmed.com/au/service_and_sup...c=patients

once had a different error message .... check ResMed 30/90W power supply unit and fully insert connector
http://www.apneaboard.com/forums/Thread-S9-error-message
01-03-2013 07:02 PM
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apneastinks Offline

Members

Posts: 10
Joined: Jan 2013

Machine: Resmed S9
Mask Type: Full face mask
Mask Make & Model: unsure
Humidifier: unsure
CPAP Pressure: auto
CPAP Software: Not using software

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Sex: Male
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Post: #6
RE: Hoping someone can help!!!
Ok.....took off the matching humidifier and was able to make the mchine turn off an read over voltage fault by quickly blocking air with my hand.
01-03-2013 07:08 PM
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JJJ Offline

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Machine: ResMed S9 Autoset
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Sex: Male
Location: USA 97217

Post: #7
RE: Hoping someone can help!!!
(01-03-2013 06:24 PM)apneastinks Wrote:  Hello fellow apnea sufferers Smile Ive searched through this board but as of yet I havent found an answer. I Have a Resmed S9 that keeps shutting off in middle of the night.When I look at the machine it reads " over voltage fault" . Anyone have any ideas on how to fix this? I can also make the machine shut off and read this fault by blocking the air coming out with my hand for a brief second. Thanks for any help! Im getting desperate for a good night sleep.

Of course, you've checked your house current with a meter, right? And you have no other devices in the house that act up because of the current? I just said those things for the record.

When you block the flow of air the motor has to speed up, which draws more current. Here is a WAG: What if ResMed uses one error message for any kind of voltage problem, either too much or not enough. Then your problem might be voltage that is too low. This happens more than you might think. It is more common in older houses and in older neighborhoods. If so, try a heavy duty extension cord from an outlet close to the main power panel. Another idea is to hook it up to a UPS that is also plugged in. The UPS is engineered to give constant power regardless of the quality of the power from the lines. If that clears it up, then you know the problem is in your house current.
01-03-2013 07:10 PM
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zonk Offline

Advisory Members

Posts: 7,908
Joined: Feb 2012

Machine: A10 AutoSet
Mask Type: Nasal mask
Mask Make & Model: Activa LT
Humidifier: Integrated /ClimateLineAir
CPAP Pressure: 9/13
CPAP Software: ResScan

Other Comments: CPAP since Nov 2010

Sex: Male
Location: Australia

Post: #8
RE: Hoping someone can help!!!
(01-03-2013 07:08 PM)apneastinks Wrote:  Ok.....took off the matching humidifier and was able to make the mchine turn off an read over voltage fault by quickly blocking air with my hand.
one of the reason listed in the above link ... Check if the tube is blocked, and if so, unblock it.
01-03-2013 07:13 PM
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trish6hundred Offline

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Machine: Resmed S9 AutoSet for Her
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Other Comments: I started CPAP in 2008. Totally blind since birth.

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Location: Missouri, USA

Post: #9
RE: Hoping someone can help!!!
Hi apneastinks and WELCOME! to the forum.!
It sounds like you might have a problem with the power supply that goes with your machine.
Best of luck on getting it straightened out.

trish6hundred
01-03-2013 07:30 PM
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apneastinks Offline

Members

Posts: 10
Joined: Jan 2013

Machine: Resmed S9
Mask Type: Full face mask
Mask Make & Model: unsure
Humidifier: unsure
CPAP Pressure: auto
CPAP Software: Not using software

Other Comments:

Sex: Male
Location:

Post: #10
RE: Hoping someone can help!!!
How do you turn on and off the smart stop?
01-03-2013 08:13 PM
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