replying to Jonathan, Morgan wrote:
After a storm last night, my smoke alarms went off (beeped 3 times with very
loud sound) and noticed that 2 of the 6 were blinking green. I just replaced
all of them a month ago so I didn't think it was the battery. After holding
the test/reset button for 5 seconds, the blinking green light stopped. So I
want to thank you for posting your reply. It was very helpful!

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