Tag: kidde alarm beeping twice

Three beeps, at 15-minute intervals = MALFUNCTION. The unit is malfunctioning. ... Five beeps, at 15-minute intervals = END OF ...

Newer smoke alarms keep some errors in the processor. The smoke alarm must clear errors after the battery is changed, ...

False alarms are most commonly caused by something interfering with the sensor. To clean, after disconnecting the alarm and removing ...