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Using Dexcom ONE in the Long Run

What does Pairing Unsuccessful mean?

Last Updated · September 28, 2021

If your transmitter didn’t pair with your display device, and you are seeing a Pairing Unsuccessful alert, please follow these instructions:

  • Make sure the transmitter is snapped into a sensor and is flush with the sensor pod.
  • Use your meter. No alarm/alerts or Dexcom ONE readings will be available until fixed.
  • Make sure the transmitter SN in Settings matches the transmitter SN on the transmitter box.
  • App: For more information, tap Help.

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5-step learning journey

Discover education resources, organised in a 5-step journey, to learn key information about your Dexcom ONE CGM system, from getting started, your first 10 days, to using Dexcom ONE in the long run.

Step 1: The basics of CGM
Step 2: Getting started
Step 3: Your first 10 days
Step 4: Using Dexcom ONE in the long run
Step 5: Understand your Diabetes trends