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DIY Battery Replacement for
Monitored Home Smoke Detectors

Watch a step by step video for replacing the batteries in your home smoke detectors. Remember, before changing the battery, make sure your system is disarmed and placed on test mode



DOWNLOAD THE HOW-TO GUIDE

For your convenience, you can download the step-by-step guide related to your security system technology.

For immediate assistance, call 877-314-7092

  1. PLACE YOUR SYSTEM ON TEST
    Before changing the battery, ensure the system is disarmed and go to Guardian's Customer Care Website. You may also contact our Customer Service Department at 1-888-895-4805 to have your system placed on test. This ensures Guardian doesn't accidentally notify the authorities.

  2. LOCATE THE SMOKE DETECTOR WITH THE LOW BATTERY(IES)
    Gently twist the smoke detector in a counter-clockwise motion, approximately a quarter turn, to release the cover.

    Once the cover is released, unhinge the cover.

    Please Note: The keypad may emit a beeping tone to indicate that the cover has been removed

  3. INSTALL THE NEW BATTERY(IES)
    Remove the existing battery(ies). If two batteries are inside the smoke detector, both batteries must be replaced at the same time. After the old battery(ies) have been removed for 30 seconds, install the replacement battery(ies), paying attention to polarity. (Ensure that the positive (+) end of the battery matches the positive (+) symbol inside the smoke detector.)

    Replace the smoke detector cover by locating the connection ridge. This ridge should line up with the groove or ridge on the outside ring of the device. Turn the cover in a clockwise motion until secured.


  4. TEST THE SMOKE/HEAT DETECTOR
    After replacing the battery(ies), Guardian recommends testing the smoke detector to ensure it is working properly. Press the Test button for approximately 30 seconds, until the smoke detector beeps. This will ensure that the smoke detector is working properly. If the smoke detector does not have a Test button, locate the small pin-hole and insert a thin piece of metal with a point at one end (e.g., a pin or part of a paper clip). Hold in until the sensor beeps.

    Test your system to make sure everything is working properly and return to Customer Care Website or contact Guardian's Customer Service Department at 1-888-895-4805 to have your system removed from Test Mode.

Guardian Protection Services
Guardian Protection Services