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Cpap water tank level doesn't move
#1
Gross 
I have had my cpap for 2 years. Every morning of the 2 year stint the water tank would be near empty. The last 2 weeks the tank water level does not move. I have not noticed mouth dryness or nose dryness -- just a difference in the water level not going down. Unsure I don't know if my nasal pillow is not sealing properly and that is what is causing it or what.Thinking-about My expertise on this machine is about zero. I am hoping to be more educated on the cpap machine. The company the doctor sent me to; did not give me a cpap manual; did not offer any assistance; took 5 mos. to clarify billing. I quit them and intend to find a better company to assist me. Dont-know Would appreciate any comments. ThanksOh-jeez
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#2
We have to ask, has the weather changed? High humidity might not require much water.

Also, the difference between outside temperature and inside temperature can vastly effect the need for moisture in the air.

Typically heating cold winter air is going to lower the Relative Humidity a lot. Oddly enough, cooling summer air removes water and when the cold air is added to a warming room this can also lower the humidity.

You might have (accidentally) changed the humidity settings, either level or on/off.

And of course the machine could be broken, or not fully connected.
Sweet Dreams,

HerbM
Sleep study AHI: 49 RDI: 60 -- APAP 10-11 w/AHI: 1.5 avg for 7-days (up due likely to hip replacement recovery)

"We can all breathe together or we will all suffocate alone."
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#3
Yep changing humidity in your room causes the use of or lack of use of water. Most nights on a PRS1 series 60 auto aflex I use next to nothing in water. But its fairly humid here in summer. The few very dry days its use more but nothing like a tank full no matter what setting it on.

I have noticed as its got colder it uses a bit more even on its lowest setting on some nights but not much. If you can determine what machine you have 560 with heated hose 550 without, auto etc it would help.

If you have preheat on your machine, which you likely do if its a 550 or 560 you can take out the tank turn on preheat and touch the base plate to see if its heating. But I will bet it is. PRS1 on PRS1 humidity mode alot of times wont use much water to maintain you humidity level because of ambient humidity already being pulled thru the machine in room air.
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#4
Check to see if the water is getting warm. Let us know which machine you have. The best way to do that is in your profile. If you have the heated hose option it makes the operation of the humidifier more complicated.

http://www.apneaboard.com/forums/Thread-...8#pid75378
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#5
Hi babbsnc,
WELCOME! to the forum.!
Hang in there for more responses to your post and best of luck to you as you continue your CPAP therapy.
trish6hundred
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#6
Hello babbsnc,

the link beneath may help identifying the exact type of your machine.

Identifying My CPAP Machine

Greetings
Fat Rat


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#7
(10-19-2014, 09:53 AM)herbm Wrote: We have to ask, has the weather changed? High humidity might not require much water.

Also, the difference between outside temperature and inside temperature can vastly effect the need for moisture in the air.

Typically heating cold winter air is going to lower the Relative Humidity a lot. Oddly enough, cooling summer air removes water and when the cold air is added to a warming room this can also lower the humidity.

You might have (accidentally) changed the humidity settings, either level or on/off.

And of course the machine could be broken, or not fully connected.
Thanks for your reply.:grin: My model is a 460P. Tonite I will check the heating plate to see if it is heating. I do not think it is. Yes, we had alot
of rain so that would be humidity and the temp has dropped. I am looking for a new cpac agency to check the machine out. I think it would be good if I knew something about it so they don't take me to the cleaners. You said maybe the heat is not fully hooked up or the level chg. I am not aware (like everything else about this machine) of where to chg. the humidity on the machine.Sad; or to know about hooking up something. I am a teacher so I do pretty well on directions.Huhsign
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#8
(10-19-2014, 12:29 PM)Ghost1958 Wrote: Yep changing humidity in your room causes the use of or lack of use of water. Most nights on a PRS1 series 60 auto aflex I use next to nothing in water. But its fairly humid here in summer. The few very dry days its use more but nothing like a tank full no matter what setting it on.

I have noticed as its got colder it uses a bit more even on its lowest setting on some nights but not much. If you can determine what machine you have 560 with heated hose 550 without, auto etc it would help.

If you have preheat on your machine, which you likely do if its a 550 or 560 you can take out the tank turn on preheat and touch the base plate to see if its heating. But I will bet it is. PRS1 on PRS1 humidity mode alot of times wont use much water to maintain you humidity level because of ambient humidity already being pulled thru the machine in room air.
No, mine is not a 550 or 560; it is a 460P. So I may be handicapped.Thinking-about For 2 yrs. I have used a full tank every night. That's why I feel weird the tank level not moving.Sad I am looking for a new cpap agency and have it checked out. Thank you for your reply.
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#9
Hmmm.... Have you moved? What has relative humidity been running in your location? How warm are you running the humidifier? I run mine set at 73. Which means it probably doesn't even kick on the heating element most of the time.

I would used to just remove the humidifier totally in the summer. Personally, I sometimes wonder if I'm not wasting money on H2O by running the humidifier. When I travel, I don't use it and really don't notice that much difference.

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#10
Keep doing your home work on this site, you can learn reading any and all posts. Search old posts and you can figure it out. If you read about machines you may end up wanting a full reporting model? But the humidifier is no different on most machines. You should be able to find the instructions and or hidden settings. My humidifier only uses 1/4 tank most nights and sometimes doesn't seem like much at all.
So you can become your own expert and not need to rely on anyone, or at least be informed on what you need help with.
Good Luck!

Doc J (despite my nickname I am not a doctor)

Remember to donate to the board if you can, it has helped a lot of people including myself.
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