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PRS1 wheezing Sound
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xxl
Posts: 33 Threads: 4 Joined: Sep 2013
Machine: ResMed S9 AutoSet
10-22-2015, 09:41 PM
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. 
OpalRose
Posts: 13,336 Threads: 72 Joined: Nov 2014
Machine: ResMed AirCurve 10 VAuto
10-23-2015, 06:13 AM
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
Apnea Board Administrator www.apneaboard.com _______________________ OSCAR Chart Organization How to Attach Images and Files. OSCAR - The Guide Soft Cervical Collar Optimizing therapy OSCAR supported machines Mask Primer INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
MtFallsTodd
Posts: 20 Threads: 0 Joined: Oct 2015
Machine: PR auto A-Flex
xxl
Posts: 33 Threads: 4 Joined: Sep 2013
Machine: ResMed S9 AutoSet
10-23-2015, 11:33 AM
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.
AshSF
Posts: 502 Threads: 3 Joined: Oct 2014
Machine: Dreamstation Auto & PRS1 D560TS
10-23-2015, 06:43 PM
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.
PRS1 Auto & Dreamstation Auto w/ P10 and straight pressure of 8cm
Ghost1958
Posts: 1,059 Threads: 13 Joined: Aug 2014
Machine: PRS1 Series Sixty Auto Aflex
10-23-2015, 11:26 PM
RE: PRS1 wheezing Sound
My wifes 550 is silent as the grave.
My 560 is the same.
xxl
Posts: 33 Threads: 4 Joined: Sep 2013
Machine: ResMed S9 AutoSet
10-25-2015, 06:59 PM
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. 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!
zonk
Posts: 8,023 Threads: 243 Joined: Feb 2012
Machine: A10 AutoSet
10-25-2015, 07:15 PM
RE: PRS1 wheezing Sound
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