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What is the Constant Yellow Light on the Smoke and/or CO Detector?

The Smoke Detector, Carbon Monoxide Detector, and 2-in-1 Smoke & CO Detector all feature a Tamper Switch, to make sure that the device is properly secured into its mounting bracket. It’s a small button on the back of the unit that is normally held down by part of the mounting bracket. When it is not

led / lights

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Smoke & CO Detector

Tamper Detected Error

You may encounter a constant yellow light that is not accompanied by a chirp on your Smoke Detector, CO Detector, or Smoke & CO Detector, or a blinking red light on your Smoke & CO Alarm Listener, accompanied by the app error “Tamper Detected”. This is an indication that the device is not fully atta

troubleshoot an issue

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Smoke & CO Detector

Where to Place the Smoke Detector

You should place Smoke Detectors near sleeping areas and make sure that one is on every floor within your home. You can mount the Smoke Detector on a wall or ceiling. If mounting it to a wall, ensure that you have it no more than 12 inches from the ceiling. To avoid false alarms, we recommend instal

install / set up help

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Smoke Detectors

SA
Smoke Detector Overview and Installation Guide

The Smoke Detector alerts you at the first signs of smoke. Use this guide to install your Gen 3 SimpliSafe Smoke Detector.

install / set up help

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Smoke Detectors

Low Sensitivity Error

If you see the “Low Sensitivity" error for the Smoke Detector, Carbon Monoxide Detector, or Smoke & Carbon Monoxide Detector, that indicates that you need to clean your device so it can detect properly. To Clean the Device: Twist the detector counterclockwise to remove it from its bracket Remove a b

errors / warnings

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Smoke & CO Detector

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Preventing False Alarms From the Smoke Detector

SimpliSafe's Smoke Detectors use photoelectric sensors, meaning they detect smoke through the distortion of a light beam inside the detector. Photoelectric smoke detectors will detect smoke faster than other detector types but can occasionally result in a false alarm. False alarms often occur when t

errors / warnings

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Smoke Detectors