How do you reset carbon monoxide detector after changing battery?Here's how to reset your carbon monoxide detector:. Find the Reset button. It's on the front panel, though the exact location and size of the button vary by brand and model.. Press and hold the Reset button for 5 to 10 seconds.. Release the Reset button, and listen for a beep. Some models may also flash a light.. How do I get my carbon monoxide detector to stop beeping?To reset the alarm, the unit needs fresh air and time to burn the contamination off the sensor. Push and hold the silence button for 5 seconds to silence the alarm while contamination is being burned off the sensor. You may need to do this a number of times to give the carbon monoxide alarm enough time to reset.
Why is my First Alert carbon monoxide detector beeping?1 Beep Every Minute: Low Battery. It is time to replace the batteries in your carbon monoxide detector. 5 Beeps Every Minute: End of Life. This type of chirp indicates it is time to replace your carbon monoxide alarm.
Where is the reset button on my First Alert smoke detector?Press and hold the test/silence button for 20 seconds. You'll find this on the front of your detector. Reconnect all power sources (reconnect the wiring or plug back into the outlet). Your alarm should now be reset.
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