Why is my hardwired smoke detector blinking red?
2021-3-26 · Press the “Test,” “Silence” or “Hush” button to reset the smoke detector if it has a blinking red light. Press '*72' (star, seven, two) to reset a smoke detector on an alarm system with a keypad. Similarly, you may ask, how do you reset a hardwired smoke detector? Locate the reset button on the surface of the smoke detector. Hold it for 15–20 seconds and then release.Get Price