How To Get Fire Alarm To Stop Beeping Without Battery. If all of that fails your ultimate solution may be to. If you know the code to disarm the alarm enter it and see if that stops the beeping sound.

Clear Residual Charge to Stop the Chirp. Open the cover and take out the battery. If you know the code to disarm the alarm enter it and see if that stops the beeping sound.
There may not be sufficient battery power.
People also ask how do you get a smoke alarm to stop chirping without a battery. Disconnecting and re-connecting the battery once or twice will likely fix this. Removing the battery from a smoke alarm also called a smoke detector wont set the unit off and start the fire alarm beeping. If that doesnt work flipping the circuit breaker off and back on might stop the noise.
