Go to the Library instead?

Ropete, If you haven't read this before it may help you with the freeze-up. Other than switch oxygen delivery systems to maybe the compressed E cylinder that is on a hand cart, I really can't be of much help. But I do wish you a solution. Good luck.

Freezing Up
Liquid portables can freeze up after filling, particularly during humid weather. When they do freeze up, the flow of oxygen stops and remains stopped for 10 to 20 minutes.
Liquid portables freeze up because extremely low temperatures around the fill port freezes any moisture close by and turn it into ice crystals. These ice crystals cling to the nearby parts on the portable making it too cold to perform normal operations.

You can reduce episodes of this type by doing two things:

Dry the fill ports of both the reservoir and portable with a towel before connecting them.
When filling is complete and the fill lever is closed, allow the portable to remain connected to the reservoir for about 20 seconds before disconnecting. If the two units cannot be separated easily, allow another l20 seconnds before disconnecting.


Should the valve of the portable continiue to vent when disconnected, reconnect for 20 seconds.

If, after filling your liquid portable unit, oxygen stops flowing you should do the following:
Find another source of oxygen to use for the 10 to 20 minutes it will take for the coils to warm and the oxygen to flow.
Reduce this recovery time by moving the portable to a place where it is warmer, but never near an open flame.
DO NOT touch the fill port of the reservoir or portable. Its temperature is cold enough to cause skin burns.

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2002 Copyright
Peter M. Wilson, Ph.D.
Spotsylvania, Virginia
Founder of PortableOxygen.org



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You have permission to print this document for your personal. You also have permission to print, copy, and distribute this document to oxygen users and their caregivers.

Roepete tell them both u are gonna have to have another one so when one freezes up which mine do that too do to no fault of our own they just do that. I have a lg portable and 2 med size portables if u get to know ur driver they are ur best sourse of help. My driver is really good and also the company I have is real good about suppling what I need cause there is lots of places to get it now days well there is in the town mine are in. Don't be mean but be firm in that u need them to help u get what u need so u can exercise or go shopping or whatever u need to do there is no sence that u should not have it. Best of luck with it.

Great info
and Birdy... I LOVE your stance.. wish I had thought of that when my mom's one kept freezing and she gave up going out so many times

I love some of the comments. I totally agree that first and foremost your oxygen machine shouldn't be freezing up. If this is the case talk to the company you got it from. If they are not willing to help you out go with a company that will. There are plenty of places out there that carry quality machines and are willing to help you out a lot. I personally go with http://www.oxygenconcentratorstore.com because they have been so easy to work with even if there are problems.

I use 4 liters 24/7 and number one the marathone is a PIECE OF JUNK.Before I knew better I used one for a yr or more. I now use the 1000. Its a llitle heavier, but you likely need the exercise too. It necver freezes up on me, And I get about 6 hrs out of it, or maybe more. I live at 6,500 ft so I need more than ususal. When I drive into Abq. nm its about 5000 ft so I can turn it down to 2 or3 depending on what I am doing.