User's Manual

118 | Continuous Glucose Monitoring System
9
Alerts Not Working
1. Make sure you have not disabled the sound and/or vibrations for the Alerts.
Chapter 2, Section 2.5 explains how to change these Alert options.
2. Check to be sure that Advanced Features is turned on. If not, you will not
receive Rise and Fall Rate Alerts.
3. Remember “Vibe then Beep” will vibrate during the fi rst alert and then will
beep during the re-alert. If you do not hear a sound during the fi rst alert, this is
normal.
9.6 RECEIVER AND TRANSMITTER COMMUNICATION
TROUBLESHOOTING
This screen will appear once the Transmitter nears
the end of its battery life (see Chapter 1, Section 1.2).
Contact DexCom to order a new Transmitter.
The screen to the right tells you that the Transmitter
is not working correctly. If you get this alert during
a Sensor session in progress, your Sensor session
will automatically stop. Note this alert and contact
DexCom Technical Support at 1-888-SEVENGO
(738-3646). Continue to check blood glucose
readings using your meter.
Low Transmitter
Battery Screen
Transmitter Failed
Screen