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Vicki JordanJul 28, 2025
Why does my Kidde Carbon Monoxide Alarm chirp every 30 seconds?
- KKeith RoseJul 29, 2025
If your Kidde Carbon Monoxide Alarm chirps once every 30 seconds with a red LED flash, and digital units display, it indicates that the batteries are low and need replacing. Refer to the Battery Installation/Replacement section for instructions. Alternatively, it may signal a sensor or unit malfunction, in which case you should replace the unit if necessary.