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The radar device is reporting an error

WARNING

If the radar device status LED is flashes Red continuously, an error has occurred. Errors are also reported on the Varia™ app or your Garmin® watch or bike computer. While there is a radar error, the device cannot alert you to vehicles behind you.

  • Make sure the device is within the approved operating temperature range (Specifications).
  • Turn the device off, and turn it back on.

    You can check the battery level on the Sensors menu of your Edge® device or on the Varia app.

  • Move away from potential sources of radar interference, such as other bike radars or radar antennas.
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February 2026
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