CPAP Stopped Recording to SD Card

Hi All,

I have a ResMed Airsense 11 with a 32 gig SD card.

For a week it was recording all data.

Then I went and I selected to erase all data, it did, no problem.

Starting from that night the SD Card no longer records CPAP info EXCEPT for:

1. Breathing pattern
2. Pressure settings

The Air Pressure being used through the night, Leak Rate, etc. are no longer being recorded.

The machine still shows this info on the screen, it's just not recording.

I have tried formatting the SD card, still the same.

Anyone know what I messed up?

You didn't mess up anything, but there really is no need to erase the data for an SD-Card that your continuing to use.

The ResMed Air devices write the Compliance and Summary data to the SD-Card upon insertion, but it writes the high resolution data continuously during use. Therefore the card must be inserted during sessions.

Many have reported with the Air 11, that sometimes upon inserting the card it doesn't seat properly. When this happens you won't get the Hi-res data.

Pull the SD Card, re-insert it, ensure you get a message from the device acknowledging the card.

If that doesn't work:

• Ensure write protect on card isn't set
• Pull card, reformat on comp, re-insert
• Replace SD Card

As mentioned, every time you insert the card into your Air11, ensure you get the screen message acknowledging the insertion. And the missed, unwritten hi-res data is never recoverable, like the Summary and Compliance data.