Troubleshooting Dexcom G7 CGM System
Troubleshooting (Setting Up Your System)
Why can't I press the applicator button?
Press the applicator more firmly against your skin before pushing the button. Read more.
What are the recommended Dexcom G7 Android smartphone settings?
Your smartphone settings can prevent the Dexcom G7 app from working. Learn more about the settings that will allow your app to work as expected.
What are the recommended Dexcom G7 iPhone Settings?
Your smartphone settings can prevent the Dexcom G7 app from working. Learn more about the settings that will allow your app to work as expected.
How do I share my glucose data with the Apple Health app? | Dexcom
To share glucose data with Apple Health read our instructions.
Troubleshooting (Using Your Dexcom CGM)
What do I do if my CGM values seem inaccurate?
Refer to the Dexcom G7 User Guide for information on Dexcom G7 accuracy.
Why am I getting Signal Loss?
Your display device may be too far from your sensor or there may be something, such as a wall or water, between your sensor and your display device.
What does Calibration Not Used mean?
The Calibration Not Used alert means the sensor was not able to use the calibration you entered.
Why is My Dexcom Device Still Searching?
Pairing usually takes less than 5 minutes. If it takes longer, use these troubleshooting tips. You can also go to the Help screen on your display device.
Sensor Adhesion Issues
How can I keep my Dexcom sensor adhered to my body?
Follow the insertion instructions carefully. Extra care may help you keep your sensor on for the entire sensor session.
How can I avoid irritated or sensitive skin caused by the Dexcom G7 sensor adhesive?
Some people may be sensitive to the sensor adhesive, so extra care can help. Follow the insertion instructions carefully, review the site preparation tips and consider these points.
Compatible Software and Apps
If I am replacing my compatible smart device, what will I need to do?
The Dexcom G7 sensor can only connect with one smart device at a time. If you get a new smartphone, for example, you need to go into your old smartphone's Bluetooth settings and turn Bluetooth off.