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Kidde Light Guide

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Model warning: Do not assume every Kidde device uses the same light codes. Always choose the closest exact model.

Kidde Smoke Alarm Red LED Flashes Every 40 Seconds

On Kidde smoke alarm manual guidance, a red LED flashing approximately every 40 seconds can indicate the alarm is operating properly in standby mode.

Smoke Alarm LEDsRedFlashes approximately every 40 seconds

Kidde Smoke Alarm Red LED Flashing Once Per Second

On Kidde smoke alarm manual guidance, a red LED flashing rapidly or about once per second can indicate the alarm condition when the alarm senses products of combustion.

Smoke Alarm LEDsRedFlashes rapidly / about once per second

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Model Kidde Smoke Alarm LEDs light guide Smoke & CO Alarms · model light summary Guide Kidde Smoke Alarm Red LED Flashing Once Per Second Red · Flashes rapidly / about once per second Guide Kidde Smoke Alarm Red LED Flashes Every 40 Seconds Red · Flashes approximately every 40 seconds