Model light guide
Kidde Smoke Alarm LEDs Light Guide
Use this page to compare known light colors, blinking patterns, meanings, and fixes for the Kidde Smoke Alarm LEDs.
Quick reminder: This is a model-specific guide. Do not use it for a different model unless the manufacturer says the light codes are shared.
Light status table
| Light | Color | Pattern | Meaning | What to do |
|---|---|---|---|---|
| Red LED | Red | Flashes approximately 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. | No fix is needed if there is no chirp, no alarm sound, and your model manual confirms this standby pattern. |
| Red LED | Red | Flashes rapidly / about 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. | Treat an active alarm as a safety emergency first. Leave the area if there is smoke, fire, or carbon monoxide concern. |
Before replacing parts
Check the exact light name, color, and blinking pattern. Many devices use similar lights for very different states, such as setup mode, firmware updates, charging, connection attempts, paper jams, or failed pairing.
Source note:
This model page is built from the linked source material below and individual detail pages.