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[Equipment] ResMed S9 Auto Set
#1
Question 
Hello I am new to this stiff.
I have a new S9 Auto Set machine and have a whistle sound only when I exhale. And I am sure it is not coming from the tube or the mask. Is this normal on this machine? It works well otherwise.
Thanks for any help.
- Dave
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#2
(01-06-2013, 12:15 PM)Dave2 Wrote: I have a new S9 Auto Set machine and have a whistle sound only when I exhale.

Hi Dave, Welcome

This has been discussed here: Thread-Resmed-S9-whistle

So far, nobody has been able to isolate the exact cause of the whistle sound yet.

Ren
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#3
Hi Dave2 and WELCOME! to the forum.!
What Ren said.
Best of luck to you with your CPAP therapy.
trish6hundred
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#4
(01-06-2013, 12:15 PM)Dave2 Wrote: Hello I am new to this stiff.
I have a new S9 Auto Set machine and have a whistle sound only when I exhale. And I am sure it is not coming from the tube or the mask. Is this normal on this machine? It works well otherwise.
Thanks for any help.
- Dave
my S9 make a slight noise at exhale. I keep a fan next to bed
some people notice the noise while others say the S9 is very quiet

few suggestion might help reduce noise levels
place mouse pad or other foam under the machine
place machine below bed level or/and use longer hose
replace filter, clean filter can prevent dust and debris buildup inside the machine

people hear sound and different frequencies differently ... some are more sensitive to sounds than others

keep in mind that the sound we perceive as a whistling sound can be exacerbated when breathing on it while awake
and noise may become more obvious

all machines makes some kind of noise
imo the S9 is an awesome machine
I would not want to use any other machine







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#5
Check the filter and make sure you are using the right one and it is in correctly.

Next, check the lid of the humidifier.

Then, if that doesn't work, put a pillow over it. Just leave room for the machine to breathe in the back.
PaulaO2
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www.ApneaBoard.com


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#6
(01-06-2013, 04:33 PM)PaulaO2 Wrote: Then, if that doesn't work, put a pillow over it. Just leave room for the machine to breathe in the back.

You might also call ResMed Customer Service and give them serial numbers of your machine and humidifier and ask if they will repair/replace your unit under warrantee.

No idea, but I would guess they will be helpful.

If ResMed will repair/replace the unit, no sales receipt is needed but you would need to give to a DME provider (any DME, not necessary to be one you bought the machine from) to send to ResMed for repair, since ResMed won't accept returns directly from patients.

Take care,
--- Vaughn
Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment. The Advisory Member group provides advice and suggestions to Apnea Board administrators and staff on matters concerning Apnea Board operation and administrative policies - not on matters concerning treatment for Sleep Apnea. I think it is now too late to change the name of the group but I think Voting Member group would perhaps have been a more descriptive name for the group.
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