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PRS1 wheezing Sound
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xxl Offline

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Posts: 29
Joined: Sep 2013

Machine: ResMed S9 AutoSet
Mask Type: Full face mask
Mask Make & Model: Mirage Quattro
Humidifier: H5i
CPAP Pressure: 12 - 16
CPAP Software: SleepyHead

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Sex: Male
Location: Spokane, Washington, USA

Post: #1
PRS1 wheezing Sound
I recently purchased an older PRS1 model 550 as a backup machine. I have a difficult time due fan noise ramping up an down during breathing (EPR at 1). This noise seems to radiate through the hose. Anyone else have this issue? Any suggestions? I thought about lowering my start pressure from 12 to 10 and shutting down EPR.
Thanks for your help.
10-22-2015 09:41 PM
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OpalRose Offline

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Posts: 3,181
Joined: Nov 2014

Machine: PR System One REMstar Auto 560 with A Flex
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10 For Her
Humidifier: REMStar heated humidifier with heated hose
CPAP Pressure: Auto Cpap 10-13 AFLEX 1
CPAP Software: SleepyHead EncoreBasic

Other Comments: Started CPAP Therapy October 23, 2014

Sex: Female
Location: Northeast Ohio, USA

Post: #2
RE: PRS1 wheezing Sound
Don't know. I have the PR560 and it is so quiet that I sometimes think it's not running.

Have the filters been changed lately? Make sure it is sitting on a level surface.

Where did you purchase it? If there is no warranty, then you may have to get an estimate on repairs and see if it's worth spending.

OpalRose
10-23-2015 06:13 AM
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MtFallsTodd Offline

Members

Posts: 19
Joined: Oct 2015

Machine: PR auto A-Flex
Mask Type: Nasal pillows
Mask Make & Model: PR Nuance Pro
Humidifier: PR
CPAP Pressure: 6-14
CPAP Software: SleepyHead

Other Comments: Get to know your local water ways and what lives in them. It will give you a lifetime of enjoyment.

Sex: Male
Location: Winchester, VA

Post: #3
RE: PRS1 wheezing Sound
Same here, my 560 is nearly silent.
10-23-2015 06:45 AM
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xxl Offline

Preferred Members

Posts: 29
Joined: Sep 2013

Machine: ResMed S9 AutoSet
Mask Type: Full face mask
Mask Make & Model: Mirage Quattro
Humidifier: H5i
CPAP Pressure: 12 - 16
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Spokane, Washington, USA

Post: #4
RE: PRS1 wheezing Sound
Thanks for your responces. I did lower my starting pressure and shut off the EPR. It did tame the wheezing but it it still is noticeable. I think I heard about another term from a while back, Tank Echo. I will need to research this some more.
Any other hints greatly appreciated.
10-23-2015 11:33 AM
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AshSF Offline

Advisory Members

Posts: 356
Joined: Oct 2014

Machine: PRS1 D560TS
Mask Type: Nasal pillows
Mask Make & Model: ResMed P10, Bkup: Airfit F10 & Quattro Air
Humidifier: PRS1 60 series with Heated Tube
CPAP Pressure: 8 - 8 w/ Aflex 3
CPAP Software: SleepyHead

Other Comments: Using APAP mode with fixed pressure

Sex: Male
Location:

Post: #5
RE: PRS1 wheezing Sound
Check the connection and the seals between the machine and the humidifier. Sometimes, reseating them will eliminate or damp the wheezing sound. If the deal is worn out, you can buy replacement seal part at Supplier #1.

I had a similar issue and reseating the connection helped.

Started APAP 4-20, Closed range to 7.5-14, then straight 8.0 w/ Aflex 3
RDI always below 1. But sleep much much better at straight pressure.
Started on F10, Tried Quattro Air successfully. Finally settled on P10.
10-23-2015 06:43 PM
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Ghost1958 Offline

Advisory Members

Posts: 957
Joined: Aug 2014

Machine: PRS1 Series Sixty Auto Aflex
Mask Type: Nasal mask
Mask Make & Model: F&P Eson
Humidifier: PRS1 with Heated Hose
CPAP Pressure: 10.5 min 16 max
CPAP Software: SleepyHead EncoreBasic

Other Comments: Moderate to Severe SA Obstructive. Rapid O2 desat off the machine.

Sex: Male
Location: KY

Post: #6
RE: PRS1 wheezing Sound
My wifes 550 is silent as the grave.
My 560 is the same.
10-23-2015 11:26 PM
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xxl Offline

Preferred Members

Posts: 29
Joined: Sep 2013

Machine: ResMed S9 AutoSet
Mask Type: Full face mask
Mask Make & Model: Mirage Quattro
Humidifier: H5i
CPAP Pressure: 12 - 16
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Spokane, Washington, USA

Post: #7
RE: PRS1 wheezing Sound
(10-23-2015 06:43 PM)AshSF Wrote:  Check the connection and the seals between the machine and the humidifier. Sometimes, reseating them will eliminate or damp the wheezing sound. If the deal is worn out, you can buy replacement seal part at Supplier #1.

I had a similar issue and reseating the connection helped.

Thanks AshSF. I will look into getting a new seal. I bought this machine off of Craigslist for $95 to have as a backup and to learn how another device works. It only had 328 hours on it when I bought it. Since it is about five to six years old the seal may have become hard or shrunk makes sense.

Thanks again!
10-25-2015 06:59 PM
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zonk Offline

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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: PRS1 wheezing Sound
(10-23-2015 11:33 AM)xxl Wrote:  I did lower my starting pressure and shut off the EPR.
EPR is ResMed feature but you're talking about Respironcis machine (not the machine in profile)
10-25-2015 07:15 PM
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