How to Know if a Smoke Detector Works


Smoke detectors are also referred to as smoke alarms. They're used in homes and businesses to warn occupants of a fire. This gives the occupants enough time to get themselves and their pets out of the building. If a smoke detector is not working properly, injuries and even death can result.

  • Examine the smoke detector for a little round button. All smoke detectors have one. This is the test button.

  • Press and hold the test button for a few seconds to see if it beeps. If it does, your smoke detector is working properly. If there is no sound, it is not working.

  • Replace the batteries and test the smoke detector again by pressing the button. If the smoke detector beeps, it is fixed and you can go about using it. If the alarm still doesn't sound, you need to throw it away and get a new one.

  • Press the test button once each month to make sure that it is still in working order.

Tips & Warnings

  • Make sure you have a smoke detector on each floor of your home, including your basement.
  • Never test your smoke detector by holding a flame close to it.

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