How To Turn Off Smoke Alarm. If you have changed the batteries andor switched the power off via the breaker and the alarm is still beeping the system may need to be reset. Joe thought to.
Replace the batteries and try resetting again. Some of them are just snapped on while others require you to remove a screw or two. Press and hold the reset button for about 15 to 20 seconds.
Can you unplug a hard wired smoke detector.
Turn off the power to the smoke alarm at the circuit breaker. Remove the cover and the battery. Remove the smoke alarm from the mounting bracket and disconnect the power. Hold down the button for up to fifteen seconds.