Why did my sensor fail and how can I prevent it?
During a sensor session, your Dexcom G6 may detect that the sensor can no longer determine your glucose reading. At this time, the sensor session will end and your receiver or compatible smart device* will display the “Sensor Failed” screen. You will now need to replace the sensor.
To help prevent sensor failures:
- Make sure your transmitter is snapped into the holder
- Choose a sensor placement site that is:
- At least 3 inches from insulin pump infusion set or injection site,
- Away from waistband, scarring, tattoos, irritation, and bones
- Unlikely to be bumped, pushed, or laid on while sleeping
- Clean the insertion site with an alcohol wipe
- Check the expiration date on the sensor tray. Don’t use it if it is expired.
- Check use by date on the transmitter box. Start using the transmitter before that date.
- Click here for information on sensor errors and how to prevent them.
*For a list of compatible devices, visit dexcom.com/compatibility
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