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Remstar Auto A-flex intermittently cutting off
03-16-2015, 12:34 PM
Hi, my husband has had this machine (Remstar Auto A-flex) for about 3 yrs now and it just started beeping and cutting off in the middle of the night. He would unplug it then things would resume back to normal. Some nights it would cut off just once, and other nights 3-4 times. Took it to our DME provided 2 times and there was no code. They had NO back-up loaner machine to provide while it's out for diagnosis. So feeling frustrated, I went on Craigslist and bought a brand new RESmart Auto by 3B. I set the pressures just like they were on his old machine. But the pressures just don't seem as strong to my husband. Does anyone have any idea what may be wrong with the Remstar Auto A-flex and why it may be cutting off at times? Thanks!
03-16-2015, 02:01 PM
This is just one possibility. But some CPAP machines have an auto-on/auto-off feature. Can't remember what it's called on Respironics machines... this is the feature that allows you to put on the mask, start breathing, and it automatically turns on the CPAP machine without you pressing any buttons. Likewise, when you take the mask off, this feature senses that and shuts down the CPAP machine.
Anyway, on my ResMed S9 machine, I would find that the machine would simply turn off on it's own during the night - about 2-3 times or so.
What was happening is that sometimes during the night, I either had shallow breathing or a severe leak, which caused the machine to think that I had taken the mask off - whereupon it would turn itself off.
The solution was to turn off the "auto-on/auto-off" function in the User Setup Menu. This will necessitate the patient manually turning the machine off and on, but it stopped this feature from waking me up numerous times during the night.
Not sure that's what's going on with your husband, but it could be.
Apnea Board Administrator
03-16-2015, 02:12 PM
Thank you SO much for the quick reply. YES! I do have that feature turned on and will turn it off right now. Hopefully hubby will have his first restful night in over 2 weeks tonite! Thanks again!
03-16-2015, 02:48 PM
WELCOME! to the forum.!
Hopefully, you and your husband will get a good nights sleep since you turned off that feature in his machine. He is fortunate to have you looking out for him.
Hang in there for more responses to your post and much success to your husband as he continues his CPAP therapy.
03-16-2015, 03:57 PM
Is this the older M-series with the smartcard, or a newer PR System One with the SD Card? If it is the older model, the machine will error like this if the card is inserted incorrectly, or it can't write to the card. Just remove it. The error should not be a problem if this is the newer model.
03-16-2015, 07:06 PM
(03-16-2015, 03:57 PM)Sleeprider Wrote: Is this the older M-series with the smartcard, or a newer PR System One with the SD Card? If it is the older model, the machine will error like this if the card is inserted incorrectly, or it can't write to the card. Just remove it. The error should not be a problem if this is the newer model.
I think it is the newer model with an sd card, but we don't have an Sd card in it.
03-16-2015, 07:10 PM
(03-16-2015, 02:48 PM)trish6hundred Wrote: Hi babydoss,
Yeah, I am the one who does all the research. I am after all the one who has to sleep with him. Lol. I was the one who met with his sleep doctor when all this started about 10 yrs ago and told them that I didn't think they had his pressure high enough. He is on an apa with 16 as the low and 19 as the high and he does quite well with it. The dr wanted him at a lower pressure and I insisted on a higher pressure and it gives him more restful sleep. Thank you for your help!
03-16-2015, 07:18 PM
(03-16-2015, 12:34 PM)babydoss Wrote: Hi, my husband has had this machine (Remstar Auto A-flex) for about 3 yrs now and it just started beeping and cutting off in the middle of the night.
Mine started doing the same thing and I couldn't figure out how to fix it, either. You can try Supplier #27 or #28.
I'm not all familiar with the replacement machine you bought on craigslist, but you can try tweaking the settings. What is the A-Flex setting on his original machine? It would be 1, 2, or 3. It could be that altering the corresponding setting on the new machine would make it feel more comfortable. Also check to make sure the ramp settings match and the mask type is set correctly. If all else fails raise the pressure on the new machine by 1 cm.
Keep looking on craigslist for a machine that's a better match. Educate yourself about the different types of machines here:
Apnea Board Moderator
03-16-2015, 07:23 PM
You only need to turn off the Auto Off function. Respironics is smarter than ResMed on this, and you can have auto on and still turn off the Auto Off function.
However, this doesn't sound like an auto off problem.
The power connector on the PRS1 machines is sometimes a problem. Try wiggling the plug and seeing if the problem happens.
Sometimes, different APAP machines give you different pressure results. If necessary, you can change the pressure range.
Download the SleepyHead software and use it with your PRS1 machine. It will tell you what pressure your APAP has been using and you can set your BMC CPAP machine to that level.
03-16-2015, 07:29 PM
(03-16-2015, 07:23 PM)archangle Wrote: You only need to turn off the Auto Off function. Respironics is smarter than ResMed on this, and you can have auto on and still turn off the Auto Off function.
Yes I can see how the power connector could be a problem because it's kind of flimsy. I'll checj that too. Thanks for the advice.
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