Safety guide

How to stop a smoke alarm chirping.

A chirp often means a low battery, but expired alarms and hardwired issues need more than a battery swap. Never leave a smoke alarm disabled.

5-15 min$3-12Beginner

Safe order

  1. 1Identify the chirping unit and check the battery label.
  2. 2Use a stable step stool and open the alarm cover.
  3. 3Install the correct battery with the right polarity.
  4. 4Close the cover fully and press TEST.
  5. 5Check the manufacture or replace-by date.

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