Troubleshooting your Ring Alarm Glass Break Sensor

Follow these steps to help resolve issues with your Ring Alarm Glass Break Sensor.


The light patterns on your Glass Break Sensor will help you identify if it’s working well, or if there's something wrong. When you press the setup button on the front of the device, you may see:

  • Three green flashes, a pause, followed by three green flashes. That means it is ready to connect to your Base Station.
  • One green flash. It is connected and communicating with your Base Station.
  • One red flash. It is unable to communicate with your Base Station.

If your Glass Break Sensor won’t connect

Try these steps, one at a time, and see if any of them resolve the issue before moving on to the next step. If the light flashes green one time, it’s back online and working.

  • Press the setup button on the front of the device.
  • Move the Glass Break Sensor closer to the Base Station.
  • Add a Range Extender between the Glass Break Sensor and the Base Station.
  • Remove the back cover, remove all batteries, wait a few seconds, then reinsert them.
  • If nothing works and there is no light on the Glass Break Sensor, try replacing the batteries with new ones.

How to test your Glass Break Sensor

Ring does not recommend actually breaking glass to test the Ring Alarm Glass Break Sensor.

The Glass Break Sensor uses AI technology to accurately detect the sounds of different types of breaking glass and reduce false alarms. Playing an audio recording of breaking glass is not a reliable test method and we do not recommend it. It can be difficult to replicate the sound of actual breaking glass using a phone, tablet or stereo system. When glass breaks, there is often an initial “thud” at impact followed by a high-energy shattering sound.

Professional-grade glassbreak simulators exist and are designed to accurately represent the sound profile of breaking glass. Ring does not offer this tool and recommends following manufacturer-provided operating instructions when using a third-party glassbreak simulator.

When testing your Glass Break Sensor with a third-party glassbreak simulator, follow these steps:

  1. Put your Ring Alarm system in the Disarmed Mode. This will prevent a call from the monitoring center if breaking glass is detected.
  2. Change the Glass Break Sensor’s Power Save Mode setting to OFF. This will enable the sensor to detect in the Disarmed Mode.
    • Remember to change this setting back after testing.
  3. Follow the device-specific operating instructions when using a third-party glassbreak simulator
    • We recommend making a “thud” sound by pounding on the wall near the Glass Break Sensor before activating the glassbreak simulator.

Learn more about the Glass Break Sensor's configurable settings.

If your Glass Break Sensor is not detecting breaking glass

Check the following:

  • Make sure the sensor is located within 25 feet of glass windows and doors, ideally 2 metres off the ground. Actual range and performance can vary due to usage, environment and other factors.
  • Make sure no other items are directly blocking the sensor.
  • Check the modes in which the sensor is armed and monitored. Check if Power Save Mode is turned on in Mode Settings. If Power Save Mode is on and the system is not in an armed and monitored mode, then the sensor will not detect breaking glass.
  • Make sure the batteries are inserted correctly, taking care to match + and - symbols with the markings on your sensor.

How to remove your Glass Break Sensor

If you no longer want to use your Glass Break Sensor, or it’s not working properly and you want to remove it and re-add it to your Ring Alarm, follow these steps:

  1. Open the Ring app.
  2. Tap the menu (☰).
  3. Tap Devices.
  4. Tap the Glass Break Sensor under the Sensors section.
  5. Tap the Device Settings tile.
  6. Tap Remove Device at the bottom of the screen.
  7. Confirm device removal by tapping Remove Device on the next screen.
  8. Tap Got it once your Glass Break Sensor is successfully removed.

If your Glass Break Sensor doesn’t connect or it adds as a binary sensor

    1. Remove the Glass Break Sensor from its base. Ensure that the batteries* are installed.
    2. Open the Ring app.
    3. Tap the menu (☰).
    4. Tap Devices.
    5. Tap Alarm Base Station or Alarm Pro Base Station.
    6. Tap Base Station.
    7. Tap the Device Settings tile.
    8. Tap Advanced Options.
    9. Tap Z-Wave, then tap Remove Z-Wave Device.

      Do NOT tap “Reset Z-Wave Network”.
      This will remove your entire Ring Alarm network and you’ll need to reset every device

    10. Tap Remove. The Ring app will say, “Remove device, listening for device to remove.”
    11. Press and release the pinhole reset button. The device should be removed successfully and can be re-added using the Ring app.

    * Always insert replacement batteries correctly, matching the + (positive) and - (negative) symbols on the battery with the symbols on your Glass Break Sensor.

    Devices in the Ring App and tap Set up a Device. Add the Glass Break Sensor again. If it still will not connect, you may need to perform a factory reset.

How to factory reset your Glass Break Sensor

This will remove the device from your Alarm Base Station and reset the device to the original default settings.

If you’ve tried all of the above steps and you’re still having difficulty with your Glass Break Sensor, you can try to factory reset the device.

  1. Remove the back cover and locate the small pinhole inside the battery compartment labeled RESET.
  2. Insert a paperclip or similar tool into the pinhole and hold it down for 10 seconds. The LED on the front of the device will quickly flash green for 10 seconds. When the flashing stops, remove the paperclip.
  3. The LED will turn solid red for 3 seconds when it is factory reset and removed from the network.
  4. Remove the batteries from the Glass Break Sensor until you are ready to re-add it to your Base Station.

If you have tried all these steps and your Glass Break Sensor still does not work, we recommend reaching out to Customer Support for assistance.

Join Our Community

Share feature requests, get help, and discuss the latest in security with your fellow users on Ring's first community forum.