User's Manual

G4-Global System User’s Guide | 117

Note any code that may appear on the screen, and contact DexCom Technical

Support at 1-888-SEVENGO (738-3646). Continue to check blood glucose

readings using your meter.

System Recovery Check

This screen indicates that the System discovered an

error that it was able to ﬁ x itself. Press any button on

the Receiver to clear this display, and your continuous

monitoring session will continue.

System Recovery

Check Screen

9.5 RECEIVER AND CABLES TROUBLESHOOTING

Battery and Charging Difﬁ culties

1. Remember to charge your Receiver battery.

a. The charge will last approximately 3-5 days, depending on how often you

turn on your Receiver, use the Alerts, and enter Events.

b. Make sure you are not pressing buttons by mistake if you carry the

Receiver in your pocket or bag.

c. Check the Battery image on your Trend Graphs to see how much charge is

left in the battery.

d. The Receiver takes about 3 hours to charge fully if using the wall charger,

and about 5 hours to charge fully using the USB charger.

2. Make sure the Charging Cable is fully inserted in the Receiver and in the

electrical outlet.

a. Pull the cable out carefully.

b. Only use DexCom cables.

3. If your battery drains and is not charged for a few weeks, the time and date

may be lost. When this happens, you will need to reset your Receiver’s time

and date (see Chapter 2, Section 2.3).

4. Only use the DexCom battery charger.