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Help! My machine quit working.
#31
If the power supply is putting out insufficient voltage/amperage for the machine, if it is programmed intelligently, it should throw an error message, or not even boot up, depending on how bad it is. Most modern electronic systems will be barely functional, if at all, if they are running on a questionable or sub-optimal power supply.
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#32
Paralel,

Any suggestions as to what would cause this problem? Something has made my EPAP pressure go from 8 to 4. This was confirmed by a manometer.

Kate
:Using cpap then vpap since Feb.2013,
Kate
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#33
Update:

When one of the replacements was sent, I kept trying to use it for about a week. But the machine had the same problem, the EPAP pressure was 4cm and never varied.

But when I took the SD card and read it, it registered 2 days but without any statistics or graphs. It showed no recordings of either Central or Obstructive AHIs.

I believe this means the machines are not fully turning on.
Kate
:Using cpap then vpap since Feb.2013,
Kate
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#34
Kate I wish I knew what to tell you. I think it's probably the best guess that it's the power brick that's causing the problem. Can you take your machine, with the power supply, someplace to be tested?

There is an OUTSIDE CHANCE that it could have something to do with where you have it plugged in. So try it in a different part of the house, or even in a different house.
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#35
Do you have a meter? If so I'd check the voltage at the wall (slim chance this is the issue) and then check the voltage at the cord prior to the brick (slim chance here as well) then check the voltage from the supply (likely where the issue is).

If you don't have a meter maybe you have a local company that could at least allow you to try one of their power supplies on the unit?

Also, when you sent back the other machine that was exhibiting these problems did you ask them to test it and see what they found? Since they would be using a different supply they could at least confirm or deny there is a problem with the other unit.

Keep in mind that you could have a supply that is frying machines too, we see this on older computers where the supply is bad, and every time you plug a system in you fry the system power board.

Sorry I can't be of more help, that's all I have to offer.
If everyone thinks alike, then someone isn't thinking.
Everyone knows something, together we could know everything.
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#36
(08-15-2014, 10:05 AM)Galactus Wrote: ...Keep in mind that you could have a supply that is frying machines too, we see this on older computers where the supply is bad, and every time you plug a system in you fry the system power board...

I believe this is a strong point. I have seen this go both ways, one power supply eating every system it is attached to, as well as the reverse in recent years with the intelligent power supplies where a bad machine will shut them down and they won't come back until they've been disconnected for at least a minute or two from the mains power and the internal soft fuse auto-resets.

What you may want to do is get one of those universal power supplies at a Best Buy, Radio Shack, local computer place that is capable of putting out the minimum number of watts and the correct voltage for your machine along with the correct tip to interface with your machine. The power supplies for modern CPAP machines are nothing more than re-purposed portable computer power supplies. The PR System One power supplies are nothing more than 80W laptop chargers with a larger than typical barrel attachment so you can't easily use a laptop power supply with it (since that would be cheaper and you wouldn't need to go to them for a new power supply, and they certainly don't want that).
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#37

UPDATE: Sent all of the machines back and Supplier #2 is sending me my money for the original purchase.

I have ordered a new machine from a supplier that does not sell second hand machloines. They have my prescription online which says " new mask, plus easybreath and 8/4 under it". The supplier says that does not say specifically a new machine. They need another prescription from the doctor. My doctors front office is terrible, so for three days I've been calling in to the supplier to see if they have the prescription.

Yesterday, they told me that that was enough and they would send it out today. But I called today and they had no record of the call yestarday and they were still waiting to hear back from the doctor. So much for customer service makin notes.

I am no closer to getting a machine than I was on July 31. What am I, chopped liver?

Kate
:Using cpap then vpap since Feb.2013,
Kate
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#38
Me personally, I'd show up at the doctors office and wait till someone gave me the stupid script. But that's just me and I can be mean at times, especially when people ignore me.
If everyone thinks alike, then someone isn't thinking.
Everyone knows something, together we could know everything.
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#39
While I cant help with the machine really I can on the DME thing. Unless you are paying out of pocket, your insurance uses codes to class the types of machines. Any machine under that code pays your DME the same amount of money. So some if not most will simply say we dont carry that or we cant or wont get x machine because the make more on a cheaper machine.

I fired my first DME who I had a temporary O2 compressor from while going thru titration study because of that very thing. Because they "claimed" which I found out from their national office was baloney btw" they werent allowed to get me the machine I wanted that feel under the same code but was fully data capable with latest firmware etc and cost about 300 more. Which left them making 650 bucks on the machine instead of 850.

Get a hard copy of your prescription and dont be afraid to let the DME know YOU know what the story actually is when it comes to insurance and machines.
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