Do Smoke Detectors Flash Red Lights?

Smoke detectors typically have a flashing indicator light, but the color can vary. The most common color for the indicator light on smoke detectors is green, although some models may have red or amber lights. The flashing light serves as a visual indication that the smoke detector is operational and receiving power.

Green Flashing Light:

Many smoke detectors have a green flashing light to indicate that the unit is receiving power and functioning properly. This is often a steady or periodic flash to provide a visual confirmation of normal operation.
Red or Amber Flashing Light:

Some smoke detectors, especially those with additional features like a built-in carbon monoxide detector, may have a red or amber flashing light to indicate specific conditions or issues. For example, a red or amber light might signal a low battery, a fault in the system, or the presence of carbon monoxide.
Steady Red Light:

In some models, a steady red light may indicate a fault or an issue with the smoke detector. This can include a malfunction in the sensor, a problem with the power source, or other issues that require attention.
It's important to refer to the specific user manual or documentation provided by the manufacturer for accurate information about the indicator light on a particular smoke detector model. The color and pattern of the flashing light can vary based on the brand and model of the smoke detector.

If you notice a red or amber flashing light on your smoke detector or if the light pattern changes from the usual green flash, it's advisable to consult the user manual or contact the manufacturer for guidance. In many cases, a change in the light pattern may indicate a specific issue that needs to be addressed, such as replacing the battery or troubleshooting a system fault.