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Top FAQs

  • Turn your smart device sideways. The landscape view lets you see up to the last 24 hours of sensor readings and, if you entered Events, your Event markers.

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  • The Signal Loss alert tells you when your receiver or smart device is not communicating. This may occur if you (and the transmitter) are too far from your display device or something is blocking your transmitter signal, causing you not to get sensor glucose readings.
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  • The “Bluetooth is off” alert means this function is turned off. Bluetooth must be on in order to get glucose information on your device. Refer to your smart device guide to turn on your Bluetooth.
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  • The question marks mean that the transmitter does not understand the sensor readings for the moment. You will want to wait a minimum of 3 hours for them to clear. If they do not clear within that time frame, please contact your local distributor for assistance.
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  • This screen means you recently entered a calibration blood glucose value and the sensor is having trouble calibrating. Follow the directions on the screen to enter a fingerstick reading in 15 minutes to restore readings.
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  • This icon means you need to enter a calibration and will appear when it is time for your 12-hour calibration update, or any other time an additional calibration is needed.
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  • The Stop Sensor option is not available because the sensor has not been started. When you are in a sensor session, Stop Sensor will be available. Once you have stopped a sensor session, you will have the option to start a new sensor session.
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  • This means that your sensor is no longer working. Remove the failed sensor and replace with a new one.
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  • Visit Dexcom compatibility to determine if your device is compatible.

     

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  • During initial setup or when switching to a new transmitter, you need to enter your transmitter serial number (SN) into the app.

    The transmitter SN is a series of numbers and/or letters that can be found on the transmitter box label or on the bottom of the transmitter. The app will guide you to enter the SN.

    After entering the transmitter SN into the app, attach the transmitter to the sensor pod. Pairing can take up to 30 minutes. When pairing has occurred, you will be able to start your new sensor session.

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  • 1. Tap the Share icon on the Home screen.

    2. Tap the Add Follower icon.

    3. Enter a nickname and email address for the person you want to invite.

    4. Enter the email again to confirm.

    5. Decide what to share on the next few screens.

    6. Tap Send Invitation to invite your new Follower.

    7. Your Follower must accept your email invitation to see your data.

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  • Your transmitter is covered under a limited warranty for three months, starting from the shipment date. An alert message shows when your transmitter has about one week left. Replace the transmitter as soon as possible when you see the message.
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  • Your Dexcom G5 Mobile transmitter is covered under a limited warranty for three months. The transmitter is warrantied to be free from defects in material and workmanship under normal use. For additional information, please refer to your user guide.
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