Dexcom ONE User Guide
22
Display device screens
3.3 Screen issues
Sometimes the number is missing, or you are not
getting readings.
Display What it means
App
Receiver
Sensor reading is below
2.2 mmol/L.
App
Receiver
Sensor reading is above
22.2 mmol/L.
App
Receiver
System alerts show
system issues not related
to your glucose, but they
tell you that you are NOT
getting readings or alerts.
(More in Appendix A:
Troubleshooting.)
LOW
LOW
HIGH
HIGH
Signal Loss
Always keep phone within 6 meters of
transmitter. Wait up to 30 minutes.
Help
Always keep receiver within 6
meters of transmitter.
Wait up to 30 minutes.
Signal Loss
OK