When I first got my 420e I was impressed with how quiet it was running....well a few weeks ago it started to whistle upon my exhale.I have checked the air filter,changed hoses and all are ok and it is not my mask.it is coming from the machine area....anyone else with this problem?
PB 420e whistleing noise??
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Daffney_Gillfin
- Posts: 138
- Joined: Wed Sep 13, 2006 4:52 am
- Location: TPKA, KS
I haven't had the problem, but I have seen others report a whistling coming from the humidifier coupler.
Check this thread.
viewtopic.php?t=20084
Check this thread.
viewtopic.php?t=20084
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DG
Silverlining output screenshots http://www.flickr.com/photos/daffneygillfin/
"Pain breeds compliance" -- Rudy Reyes
Pressure set at 11(min) - 15(max) Titrated 11
DG
Silverlining output screenshots http://www.flickr.com/photos/daffneygillfin/
"Pain breeds compliance" -- Rudy Reyes
Pressure set at 11(min) - 15(max) Titrated 11
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tillymarigold
- Posts: 426
- Joined: Mon Mar 26, 2007 4:01 pm
- Location: Albuquerque, NM
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WillSucceed
- Posts: 1031
- Joined: Sun Nov 07, 2004 7:52 am
- Location: Toronto, Ontario
The easiest fix I have found for machine whistling is to do the following:
Remove the humidifier tank.
GENTLY remove the silicone coupler from the 420.
Make sure the 420 is properly seated on the pins sticking up on the humidifier hotplate.
Place the silicone coupler on the air inlet of the humidifier. The short side of the coupler goes on the humidifier tank.
Place your left hand on the 420, holding it firmly in place and, with your right hand, firmly slide the humidifier (with the coupler attached) into the hotplate of the humidifier base. The coupler will fit onto the air outlet of the 420.
Over the course of removing/installing the humidifier tank (for those of us who dump the water every morning) the coupler can become somewhat unseated. Doing this coupler reinstall seems to make the whistling that I hear go away.
Remove the humidifier tank.
GENTLY remove the silicone coupler from the 420.
Make sure the 420 is properly seated on the pins sticking up on the humidifier hotplate.
Place the silicone coupler on the air inlet of the humidifier. The short side of the coupler goes on the humidifier tank.
Place your left hand on the 420, holding it firmly in place and, with your right hand, firmly slide the humidifier (with the coupler attached) into the hotplate of the humidifier base. The coupler will fit onto the air outlet of the 420.
Over the course of removing/installing the humidifier tank (for those of us who dump the water every morning) the coupler can become somewhat unseated. Doing this coupler reinstall seems to make the whistling that I hear go away.
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