Hi I have just setup my new ring alarm system have installed everything except 1 door sensor which I cannot get installed I have followed all the troubleshooting info for the device but cannot get it to register anyone have any ideas?
Hi @Lisa\_j! A common cause of this can be [pulling all the tabs](https://support.ring.com/hc/en-us/articles/360000901606-Pulling-Multiple-Tabs-While-Trying-to-Set-Up-Devices) from your new Alarm devices at once, during setup. If removing the battery, reinserting the battery, and attempting a new setup did not work, try the steps found in our Contact Sensor troubleshooting [help center article](https://support.ring.com/hc/en-us/articles/360042311972-Troubleshooting-your-Contact-Sensor-2nd-generation-). Sometimes removing or resetting the device can help, if it is not showing up in your Ring app. I hope this helps! :)
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15-09-2020 11:02:53
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Marley_Ring
Hi @Lisa\_j! A common cause of this can be [pulling all the tabs](https://support.ring.com/hc/en-us/articles/360000901606-Pulling-Multiple-Tabs-While-Trying-to-Set-Up-Devices) from your new Alarm devices at once, during setup. If removing the battery, reinserting the battery, and attempting a new setup did not work, try the steps found in our Contact Sensor troubleshooting [help center article](https://support.ring.com/hc/en-us/articles/360042311972-Troubleshooting-your-Contact-Sensor-2nd-generation-). Sometimes removing or resetting the device can help, if it is not showing up in your Ring app. I hope this helps! :)
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15-09-2020 11:02:53
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