Smoke & CO Detectors

Replace Smoke Detector Batteries

Chirping usually indicates a low battery. Battery replacement is a routine resident responsibility.

Safety first

Use a stable step stool on a level surface. Never remove a detector or disable it permanently.

Tools & supplies

  • Replacement battery
  • Step stool

Step-by-step instructions

  1. 1

    Use a stable step stool on a level surface.

  2. 2

    Twist the detector to remove it from its mounting base.

  3. 3

    Replace the battery, matching the + and – terminals.

  4. 4

    Reattach the detector and press Test to confirm it sounds.

  5. 5

    If it keeps chirping with a fresh battery, submit a request.

How-to video

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