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Pete, Electronic Engineer
Category: Consumer Electronics
Satisfied Customers: 15459
Experience:  Over 16 years of experience installing and repairing electronics.
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I have a brk first alarm sc9120a, it is beep 3 times it was

Customer Question

i have a brk first alarm sc9120a
JA: What's the make/model of your device? How old is it?
Customer: it is beep 3 times it was installed ~ 5years ago
JA: How long has this been going on? What troubleshooting have you tried?
Customer: i heard it when i woke 30 minutes ago
JA: Anything else you want the electronics expert to know before I connect you?
Customer: no
Submitted: 1 month ago.
Category: Consumer Electronics
Expert:  Pete replied 1 month ago.

Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.

Expert:  Pete replied 1 month ago.

You will need to replace the 9V backup battery in the alarm.

Expert:  Pete replied 1 month ago.
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