Roaring loud humidifier

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surf_rower
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Roaring loud humidifier

Post by surf_rower » Wed Nov 26, 2014 11:37 pm

Yikes! First night trying a humidifier, roaring like jet engine. Without humidifier, machine was quiet. Is this normal? It is a PR System One, never used before.
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SleepyToo2
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Re: Roaring loud humidifier

Post by SleepyToo2 » Wed Nov 26, 2014 11:42 pm

Check that the humidifier lid is closed properly.

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surf_rower
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Re: Roaring loud humidifier

Post by surf_rower » Wed Nov 26, 2014 11:48 pm

SleepyToo2 wrote:Check that the humidifier lid is closed properly.
It was. Just took it off cpap and reattached, everything seems secure, still incredibly loud. This can't be right....
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surf_rower
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Re: Roaring loud humidifier

Post by surf_rower » Wed Nov 26, 2014 11:56 pm

Giving up for the night.
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palerider
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Re: Roaring loud humidifier

Post by palerider » Thu Nov 27, 2014 12:00 am

surf_rower wrote:Yikes! First night trying a humidifier, roaring like jet engine. Without humidifier, machine was quiet. Is this normal? It is a PR System One, never used before.
no, it's not usual for it to make much difference in the noise at all... figure out where the noise is coming from.

make sure it's seated good between the two units.

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RogerSC
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Re: Roaring loud humidifier

Post by RogerSC » Thu Nov 27, 2014 3:49 am

With the ResMed S9, the humidifier actually makes the cpap much quieter. If all is right, that is, lid closed, well attached and all. I'm pretty sure that you're hearing leaking air, so you might look for where the air is leaking out. In fact, I've found that I couldn't sleep without the humidifier in place, the cpap without it was too noisy for me.

Something's wrong there, you must have some kind of leak somewhere. One thought is that the S9 has a large silicone gasket that seals the lid of the humidifier. If that gasket were not seated correctly or missing, there would be a lot of leakage...so that's one thing to look at, the seal for the lid as well as its being closed.

Good luck in your detective work.

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Re: Roaring loud humidifier

Post by Guest » Thu Nov 27, 2014 4:39 am

surf_rower wrote:Yikes! First night trying a humidifier, roaring like jet engine. Without humidifier, machine was quiet. Is this normal? It is a PR System One, never used before.
Noise is an indication of an air leak somewhere. You likely don't have the needed pressure at the hose end either when you hear this noise.

Make sure the water chamber is inserted - inserted properly and the lid is closed - fully closed and seated.

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englandsf
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Re: Roaring loud humidifier

Post by englandsf » Thu Nov 27, 2014 9:46 am

Dumb question - is the tank like a Resmed tank? Mine got very loud when I forgot to put the tank in! and quite loud when the tank was not latched closed correctly.

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Gary_UT
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Re: Roaring loud humidifier

Post by Gary_UT » Thu Nov 27, 2014 11:12 am

surf_rower wrote:Yikes! First night trying a humidifier, roaring like jet engine. Without humidifier, machine was quiet. Is this normal? It is a PR System One, never used before.
It is not normal, my system one is quieter with the humidifier.

There are 4 seals on the system one humidifier, any one of them can cause your problem.

1: inlet seal, between cpap and humidifier.
2: dry box seal, behind the water chamber.
3: water chamber lid seal, inside water chamber lid.
4: humidifier lid seal, between the water chamber and the humidifier lid.

It's most likely the dry box seal. Remove the water chamber and make sure the seal that it goes into in the rear of the humidifier has not been dislodged .

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archangle
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Re: Roaring loud humidifier

Post by archangle » Thu Nov 27, 2014 8:33 pm

Take the mask off the end of the hose. Start the machine, and put your thumb over the end of the hose. If you hear much air noise, there's a leak somewhere. It should be pretty quiet with the airflow stopped. Take your thumb off the end of the hose and see if the air sound in the humidifier gets louder or quieter.

Does the noise vary much between inhale and exhale if you have the mask on?

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surf_rower
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Re: Roaring loud humidifier

Post by surf_rower » Thu Nov 27, 2014 10:22 pm

archangle wrote:Take the mask off the end of the hose. Start the machine, and put your thumb over the end of the hose. If you hear much air noise, there's a leak somewhere. It should be pretty quiet with the airflow stopped. Take your thumb off the end of the hose and see if the air sound in the humidifier gets louder or quieter.

Does the noise vary much between inhale and exhale if you have the mask on?
It does vary some on inhale exhale with mask on, but not a lot.
I checked everything again just now, seems tight, two loud clicks when I put the humidifier on. Rubbery gasket around tube outtake is in place. Tried the thumb test, and the noise stayed the same loudness, just a bit higher in pitch with tubing covered. I can feel some air coming vaguely from the front around the edge of the water tray, but not a lot of air, and the tray seems seated tightly. Maybe there is a gasket missing from the edge of the tray...
Thanks everybody for helping me figure this out. Tonight I have to get a good night's sleep so I'm gonna remove the humidifier again, but I wish I could use it, am really stuffed up...
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surf_rower
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Re: Roaring loud humidifier

Post by surf_rower » Thu Nov 27, 2014 10:39 pm

Gary_UT wrote:
surf_rower wrote:Yikes! First night trying a humidifier, roaring like jet engine. Without humidifier, machine was quiet. Is this normal? It is a PR System One, never used before.
It is not normal, my system one is quieter with the humidifier.

There are 4 seals on the system one humidifier, any one of them can cause your problem.

1: inlet seal, between cpap and humidifier.
2: dry box seal, behind the water chamber.
3: water chamber lid seal, inside water chamber lid.
4: humidifier lid seal, between the water chamber and the humidifier lid.

It's most likely the dry box seal. Remove the water chamber and make sure the seal that it goes into in the rear of the humidifier has not been dislodged .
Gary UT, by "seal" do you mean a flexible gasket? The only two in there are (1) on the tubing outtake going up and (2) on a connector leading to the side to the the air hole from the CPAP.
There is no flexible seal on the clear acrylic water chamber itself, nor on either surface of the two machines where they click together.
Thanks
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Gary_UT
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Re: Roaring loud humidifier

Post by Gary_UT » Fri Nov 28, 2014 9:33 am

surf_rower wrote: Gary UT, by "seal" do you mean a flexible gasket? The only two in there are (1) on the tubing outtake going up and (2) on a connector leading to the side to the the air hole from the CPAP.
There is no flexible seal on the clear acrylic water chamber itself, nor on either surface of the two machines where they click together.
Thanks
Yes I mean flexible gasket. Here are some photos that may help:

This is the inside of the humidifier with the water chamber removed. The seal on the top is the one that seals between the output of the water chamber and the hose connector. the fitting in the back with the 2 seals on it can be removed by releasing the catch on the outside lower rear of the humidifier, and sliding the fitting forward.

Image


This is the fitting removed from the machine. the seal on the left is the one that seals between the humidifier and the CPAP machine. The one on the right is where the inlet to the water chamber connects.

Image


And lastly the water chamber has a flexible seal on the top edge:

Image

If any one of them is missing, damaged, or not installed properly you will have an air leak.

Gary

surf_rower
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Re: Roaring loud humidifier

Post by surf_rower » Fri Nov 28, 2014 8:52 pm

Gary UT, thank you so much for the pictures. I am missing two of those gaskets. Now I know exactly what to ask for. Luckily, it is still under warranty!
Again, thank you thank you thank you.
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Re: Roaring loud humidifier

Post by surf_rower » Fri Nov 28, 2014 9:21 pm

Correction, looked again and found the gasket around the water tank. But am definitely missing the ring between the tank and the intake.
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