How To Silence A Kidde Smoke Alarm. If the CO condition that caused the alert continues the alarm will reactivate within 200 secondssee page 21. Replacement Alert indicates when the smoke alarm needs to be replaced.
Turn off the power to the smoke detector at your circuit breaker. If the the SmokeCO Alarm is sounding a CO alarm pressing the testreset button will silence the alarm. Press and hold the test button for five seconds.
This usually occurs in electrical powered smoke alarms with a battery backup.
Tamper-resistant technology deters removal of the unit or battery from the wall or ceiling. If the smoke or debris is interfering with the sensor the alarm will override the Hush. Remove the detector from its mounting bracket and unplug the power supply. 1 operate the testreset button.
