Image showing the Flood and Freeze Sensor in a modern bathroom cabinet.

Troubleshooting Flood & Freeze Sensor (2nd Gen)

Learn how to fix your Flood & Freeze Sensor (2nd Gen) if you are experiencing one of the below issues:

  • Poor connection
  • Sensor offline
  • Unresponsive sensor
  • Water or temperature detection not working

Understanding Flood & Freeze Sensor (2nd Gen) light patterns

The light on your sensor will indicate its status. Learn more about Flood & Freeze Sensor (2nd Gen) light patterns.


Fixing Flood & Freeze Sensor (2nd Gen) water and temperature detection

Stuck detecting water

Make sure the bottom of your sensor is completely dry and that nothing conductive is touching the bottom of the sensor. Check the Ring app dashboard for a message that says "Water detected". Tap the message window to take action to dismiss or resolve the message.


Does not detect water

Make sure the line on the side of the device is aligned with the lock icon to ensure the cover is properly secured. In order for the sensor to be triggered, water has to be touching both contacts on the bottom of the device. Reposition your Flood & Freeze Sensor so it is on a flat surface where water would pool. Choose locations next to possible sources of flooding, but place it so it won't be accidentally moved.

Image showing the Flood and Freeze Sensor side view with the lock latch shown.

Stuck showing low temperature

The Flood & Freeze Sensor (2nd Gen) triggers an alert if the temperature drops below 40ºF (4.4ºC). It will not clear the message until the temperature at the position of the sensor increases to above 45ºF (7.2ºC).


If issues persist:

Try the steps for fixing your Flood & Freeze Sensor connection to make sure your device is online and responding.


Fixing your Flood & Freeze Sensor (2nd Gen) connection

If the Ring app reports a poor signal or says "Waiting to connect" for more than 10 minutes, or your device is falling offline, is unresponsive, or does not power on, try the following:

  • Make sure your home has
    . If you do not have coverage or the Sidewalk connection to your device is poor, try adding a
    to extend coverage.
  • Detach the cover, and remove and reinstall the batteries to refresh the connection status of the device.
  • Replace the battery with a new or tested battery.
  • If you have a Sidewalk Gateway, confirm that Amazon Sidewalk is enabled in the Ring app for Ring devices or Alexa app for Echos.

If you are still having issues, factory reset your Flood & Freeze Sensor.


Factory resetting your Flood & Freeze Sensor (2nd Gen)

If your Flood & Freeze Sensor (2nd Gen) is not performing as expected and other troubleshooting steps have not resolved the issue, remove the device from the Ring app, then factory reset it and set it up again. Important note: This will reset the device back to the original default settings.


Step 1: Remove the device from the Ring app

  1. Open the Ring app.
  2. Tap the
    Flood & Freeze Sensor (2nd Gen) device
    .
  3. Tap
    Device Settings
    .
  4. Tap
    Remove Device and confirm
    .

Step 2: Factory reset the sensor

  1. Remove the cover.
  2. Press and hold the reset button (in pinhole) until the LED turns a solid red. This can take longer than 10 seconds.
  3. The device will automatically enter setup mode and starts flashing green when the reset is complete.
Image of the Flood Freeze Sensor showing the battery bay and reset button.

Step 3: Set it up again in the Ring app

  1. Tap
    Add Device.
  2. Scan QR code under the back cover.
  3. Follow the on-screen instructions.

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