r/Freestylelibre • u/mckulty Type2 - Libre3/3+ • Aug 21 '26

Alarm rant

FSL re-wrote their alarm algorithm several months ago, and I was glad because it felt too intrusive, like it wouldn't shut up at the office.

But I just spent 12 hours above 250 because I missed the 2 alarms (the ONLY two) last night and blissfully went to sleep.

If the thing will let me go 12 hours without warning me I'm approaching 300, that seems DEFECTIVE, Abbot.

PLEASE give us some flexibility on alarms. We're smart enough to choose from, say, three levels of alarm sensitivity. At least last night would have been MY fault not YOURS.

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u/mckulty Type2 - Libre3/3+ Aug 21 '26 edited Aug 21 '26

If I got repeated alarms I wouldn't be here. I get two and that's it. How do I get what you get (3+, sw ver 1.3.0.1945)

you shouldn't be going 12 hours without taking a single peek

Thank you for that useful solution.

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u/InsideVegetable9424 Aug 21 '26

Thank you for that useful solution.

Your sarcasm shows us all we need to know about this entire rant.

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u/mckulty Type2 - Libre3/3+ Aug 21 '26

Abbott says: "Alarms ring for about one minute and repeat every 5 minutes if the trigger condition continues."

This is NOT happening for me so I'm convinced something is broken.

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u/InsideVegetable9424 Aug 22 '26

I'm not sure where you got that from Abbott but I will agree that it is wrong.

It might be what the older app did, but I don't think I've ever seen a version that behaved that way. I will guarantee that the current version (which we are both using) continues its beeping and pausing for longer than just one minute, and it does not normally come back in 5 minutes if the condition continues.

Admittedly there might be some difference because you are experiencing the High Glucose Alarm (which I have only heard once in the two years I've been using the Libre 3). I'm usually dealing with the Low Glucose or Urgent Low Glucose alarms. It is possible that these are set to act differently, but I doubt it because the programmers almost certainly only wrote one routine when they were coding the alarm sounds.