What do I do if I receive the Sensor Failed alert?

If you are receiving a Sensor Failed Alert on your Dexcom G6 and your inserted sensor will no longer give CGM values, please remove the failed sensor. Insert a new sensor and contact Tech Support (available 24/7) at dexcom.com/tech-support or call 1-888-738-3646.

LBL019054 Rev002

Related articles

What does the Sensor Error alert mean?

If you are experiencing a Sensor Error alert and are not getting Dexcom G6 readings, it means the sensor is temporarily unable to measure the glucose or your components are not communicating.
  • Read more

Why did my Dexcom G7 sensor fail?

If at any time during a sensor session your Dexcom G7 system detects that the sensor can no longer determine your glucose reading, you may receive one or both of the following alerts.
Privacy PolicyTerms of Use

LBL-1001419 Rev008

LBL019054 Rev002

© Dexcom, Inc. All rights reserved.

US flag