EST 3 at my school in trouble

Fire Alarms
1

I caught the EST 3 beeping. You could hear it all the way down the hallway. I told faculty and they acknowledged the trouble. STILL nothing happened on the annunciators. Don’t know what the trouble is about yet.

https://drive.google.com/file/d/1RV4t-v61SetzmRv7f7rrCrGP_21G4drY/view?usp=drivesdk

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2

The piezo isn’t whinny like I thought it would be. Most of the time they have whinny piezos

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