Smoke & CO Alarm Listener

Smoke and Carbon Monoxide Alarm Listener LED Status Light Colors

The Smoke and Carbon Monoxide Alarm Listener has several lights that reflect the status of the device. This guide will highlight the various colors and their meaning.

LED Color

Description

Green LED flashes once

The Alarm Listener is powered on - either through putting in a new battery or pulling out the device’s battery tab

Green LED flashes three times

The Alarm Listener has been paired to your SimpliSafe® system

Solid red for 20 minutes

The Alarm Listener is in Test Mode

Red LED flashes 3 times

The Alarm Listener heard a smoke alarm, either in normal use or in Test Mode

Red LED flashes 4 times

The Alarm Listener heard a carbon monoxide alarm, either in normal use or in Test Mode

Red LED flashes twice every 4 seconds

The Alarm Listener is removed from its mounting bracket