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FlashPAP / Flashair - Connection Refused?
#1
Hey all,

I'm using a Flashair and FlashPAP. It was working seamlessly for a couple weeks. Then, every day now, the FlashPAP throws the error 'Connection refused. Try reinserting card into xPAP machine'. Does so does fix the problem, but I have to do it every day. Any ideas for how to fix this permanently?
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#2
The antenna on FlashAir is not the greatest. How far away from your CPAP machine is your wifi router? Is there anything near your wifi router or CPAP machine that might cause interference? For example TV, fan, other electrical devices (other than CPAP machine), located on floor 1 with your CPAP on floor 2 and floor has in-floor radiant heating (insulation could block wifi signals).

Check you have these lines in your CONFIG in SD_WLAN

APPMODE=5
APPAUTOTIME=0
NOISE_CANCEL=0
STA_RETRY_CT=0


Using FlashAir W-03 SD card in machine. Access through wifi with FlashPAP or Sleep Master utilities.

I wanted to learn Binary so I enrolled in Binary 101. I seemed to have missed the first four courses. Big Grinnie

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#3
IMSleeplessInSeattle, did you ever find a solution to the Connection Refused issue? I have not had any data transfer issues for 2+ months and now all of a sudden I am getting this error message. Reinserting the card has not rectified the issue.

Thanks!
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#4
The only reliable way I have cured this issue is by reformatting the card and setting the card back up again.    Flashair cards are relatively poor imo, but they are the best we have!

To format:

  1. Copy the contents of your SD card to your computer (I generally back up mine to a Box instance as well).
  2. On your file browser explorer (finder (mac), win explorer (windows) right click the drive containing your SD and format.  If you are using a mac make sure you choose fat/fat32 and master boot record. 
  3. Copy your PAP data back and re-setup the flashair card (either by its web interface or in flashpap).  
I've had to do this twice to fix the issue.  So far it has fixed it completely (until it happens again)
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#5
what comes immediately to mind if every thing worked fine - no settings where changed (or lost or overwritten in the wifi-card AND the router) is:
DHCP-lease time^^

workaround: assign a static IP ... best way to do that is in the router^^ - just let the card always have the same ip (and if you are already there - change the lease-time to something that actually makes sense for your network^^)
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#6
Another way to set a static IP is to put these lines in your CONFIG in SD_WLAN

[WLANSD]

DHCP_Enabled=NO
IP_Address=192.168.1.201
Subnet_Mask=255.255.255.0


Using FlashAir W-03 SD card in machine. Access through wifi with FlashPAP or Sleep Master utilities.

I wanted to learn Binary so I enrolled in Binary 101. I seemed to have missed the first four courses. Big Grinnie

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#7
Thanks all! That was exactly what happened - the IP address was changed.
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