How To Reset Smoke Alarm After Changing Battery

Press and hold the reset button for 15 to 20 seconds. Turn off the breaker controlling the alarm circuit or disconnect the smoke detector from the circuit. Once reset the smoke detector should chirp one more time.

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Remove the detector from its mounting bracket and unplug the power supply.

How to reset smoke alarm after changing battery. Resetting the System. Insert the new battery and close the battery compartment. If the alarm sounds hold the button until it stops.

Once youve changed your battery line up the tabs or markings on the detector and mounting bracket and turn the smoke detector in a clockwise direction. This will fully reset the smoke alarm and drain any charge left inside. Replace the new battery in the detector and plug in the power supply.

Remove the smoke alarm from the mounting bracket and disconnect the power. With the battery removed press and hold the test button for 15-20 seconds. If you want to reset your ADT alarm panel after replacing the battery youve presumably successfully replaced it already.

Buy a new smoke detector or smoke alarm every 10 years. It will resolve itself with all the settings remaining the same as before the new battery was installed. Lift the hatch covering the battery compartment.

After 10 years smoke alarms. The security system may need to be reset by entering. If you can remove the batteries.

If your smoke alarm is chirping even though it has a new battery try these troubleshooting steps to clear out residual charge from the old battery. Turn off the breaker controlling the alarm circuit or disconnect the smoke detector from the circuit. This usually occurs in electrical powered smoke alarms with a battery backup.