Kidde smoke alarm chirping every 30 to 60 seconds: meaning and exact next steps
chirping every 30 to 60 seconds means Low battery. Kidde says the alarm chirps every 30 to 40 seconds, or every 60 seconds on some alarms, for a minimum of seven days. This answer applies only to Kidde smoke alarms, battery-powered and hardwired, including the Kidde | Ring smart smoke alarm where a row says so. Chirp intervals differ between models, and Kidde's own pages give ranges. The model's user manual has the exact pattern for one unit.
On the covered Kidde smoke alarm, chirping every 30 to 60 seconds means low battery. Kidde says the alarm chirps every 30 to 40 seconds, or every 60 seconds on some alarms, for a minimum of seven days. First, note the interval between chirps and whether the alarm is battery-only or hardwired with a backup battery.
Note the interval between chirps and whether the alarm is battery-only or hardwired with a backup battery.
Correct only the documented fault domain
Reversible
Kidde's step is to replace the battery when this occurs and then test the alarm. Kidde adds that on newer units you can put the alarm into low-battery hush for up to 12 hours by pressing the test/hush button while you get a battery, and that a low battery is the usual explanation for an alarm that only chirps intermittently.