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Why is my FA6615-R smoke alarm beeping?

General

23 April 2026

A single chirp at regular intervals usually means the battery is running low. On the FA6615-R, the Sleep Easy feature lets you silence low-battery chirps for up to 8 hours while you arrange replacement batteries. Simply swap the two AA batteries for new ones to restore full protection. A continuous loud alarm means smoke has been detected – evacuate immediately and call 999.

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