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Why Is My Entry Sensor Shown As Open When My Door Is Closed?

If your Entry Sensor is showing as open, despite doors or windows being closed, one of two things may be contributing to the issue.

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Entry Sensor

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Adhering Sensors to Surfaces

Installing SimpliSafe® sensors takes less than a minute! In most cases, sensors can be mounted on walls by using the adhesive strips on the back of each device. However, there are some situations where the sensor may not adhere to the wall effectively, like:Brick surfaces: the surface can be rough i

Install / Set Up Help

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Entry Sensor Installation Guide

Entry Sensors defend your doors and windows. The Base Station will sound a quick chime when a door or window opens while your system is disarmed. Depending on your settings, this can also be set to trigger an alarm.

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Entry Sensor

Testing the Entry Sensor

Test Mode is a great way to test the connection between your Base Station and other sensors. We recommend periodically placing your system into Test Mode to ensure that your sensors are still communicating with the Base Station without any errors. Placing Your System Into Test ModeDisarm your system

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Entry Sensor

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Sensor Not Responding For Multiple Sensors

If you are seeing the error “Sensor Not Responding” for multiple sensors throughout your home, this may indicate an underlying issue with the placement of the Base Station that needs to be addressed.We recommend that you place your Base Station in a centrally-located area within your home or busines

Errors / Warnings

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Enabling Secret Alerts for your SimpliSafe® Sensors

What are Secret Alerts?Secret Alerts* are private notifications sent to you by specific sensors you designate to be on a special “alert-only” setting. Sensors on this setting won’t trigger a system alarm or chime to the Base Station, but send a discreet notification directly to you instead. All of y

Features / Settings

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How to Replace Entry Sensor Battery

The Entry Sensor takes one (1) CR-2032 Lithium 3V battery and has a life expectancy of up to 5 years depending on placement and usage.To change your Entry Sensor battery, slide the sensor up and off its bracket. Then replace the lithium battery and slide the sensor back onto its bracket.If your sens

Battery / Power

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Entry Sensor