Temperature Sensor Offline

If your Temperature Sensor is showing as offline on the SimpliSafe® Mobile App, this is an indicator that the battery within the device needs to be replaced. 

The Temperature Sensor takes one Duracell CR-2032 Lithium 3V battery and has a life expectancy of up to 5 years depending on placement and usage.

To replace the battery, slide the sensor up and off its’ bracket. Then, replace the lithium battery and slide the sensor back onto its’ bracket. 

Please note that the error may take up to 24 hours to clear from the SimpliSafe® Mobile App after taking these steps. If you want to bypass that timeframe, you’ll need to follow the steps below to remove the Temperature Sensor from your system and then re-add it.

To remove your Temperature Sensor:

1. Open the SimpliSafe® Mobile App on your phone or tablet

2. Choose My System from the bottom navigation bar

3. Select Device Settings

4. Tap on the sensor you wish to remove

5. Choose ‘Remove Device’

Once you have removed your sensor, you can add it back using our Installation Guide.