Are the fire alarms in my school not up to code?

Hello everyone. I go to a school for the blind in Maryland and we had a fire drill today at around 10:15 AM. But I noticed that one of the strobe boxes where the light and sound come from, only the lights were working, and the horn wasn’t even sounding. We have a Simplex system, and all the other horns and strobes... show more Hello everyone. I go to a school for the blind in Maryland and we had a fire drill today at around 10:15 AM. But I noticed that one of the strobe boxes where the light and sound come from, only the lights were working, and the horn wasn’t even sounding. We have a Simplex system, and all the other horns and strobes were sounding except for that one alarm. Is that up to code or not?
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