8.5 Calibration Errors
Device
What you see
Smart
Device
Receiver
Smart
Device
Receiver
BG Meter
48
•
Dexcom G5 Mobile CGM System Quick Start Guide
Problem
System didn't
accept recent
calibration (see
Sensor Glucose
Readings
troubleshooting
for a possible
reason)
No sensor
glucose
readings will
be displayed
until error is
resolved
System didn't
accept recent
calibration
System will
not accept
calibration if
outside of the
40-400 mg/dL
range
What you do
Wait 15 minutes.
Enter 1 calibration.
If error screen still
appears enter 1 more BG
meter value.
Wait 15 minutes.
If no sensor glucose
readings appear on
the display, the sensor
needs to be replaced.
Call Technical Support to
report error.
Enter 1 BG meter value.
Wait 15 more minutes.
If error screen still
appears enter 1 more BG
meter value.
Wait 15 minutes.
If no sensor glucose
readings appear on the
display, the sensor needs
to be replaced.
Call Technical Support to
report error.
Wait until your glucose is
between 40-400 mg/dL.
Calibrate only when
your BG meter values are
between 40-400 mg/dL.
Need help?
Do you have a question about the G5 mobile and is the answer not in the manual?