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If you see this screen, wait at least 1 hour and then enter 1 more calibration
blood glucose value. Wait 15 minutes. If this error screen still appears enter
1 more blood glucose value. Wait another 15 minutes. If this error screen still
appears, the sensor needs to be replaced.
9.4
SYSTEM GLUCOSE ERROR
Sometimes the system may tell you that it can not
provide a valid sensor glucose reading. When this
occurs you will see either the glucose reading error
icon
or the wait
symbols mean the receiver does not understand the
sensor signal temporarily. These symbols are related
to the sensor only. You should wait for more prompts
and do not enter any blood glucose values when you
see these symbols. The system will not use a blood
glucose value as a calibration if it is entered when
these symbols are displayed (see Chapter 5, Section
5.3, Glucose Status Area Symbols).
Troubleshooting tips before inserting your
sensor:
• Make sure your sensor is not expired.
• Make sure your transmitter is fully snapped in.
• Make sure your sensor pod is not dislodged or
peeling up.
• Make sure nothing is rubbing the sensor pod (i.e. clothing, seat belts, etc.).
• Make sure you have selected a good insertion site (see Chapter 3, Section 3.3,
Choosing an Insertion Site).
• Make sure your insertion site is clean and dry before sensor insertion.
• Clean the bottom of the transmitter with a wrung-out, slightly water-dampened
cloth or isopropyl alcohol wipe. Place the transmitter on a clean, dry cloth and
air dry for 2-3 minutes.
Often the system can correct this problem and continue providing sensor
glucose readings. However, if it has been at least 3 hours since your last glucose
reading appeared, contact your local distributor.
icon in the status area. These
No glucose data (
No glucose data ( )
Dexcom G4 User's Guide
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Table of Contents
Troubleshooting
Need help?
Do you have a question about the g4 and is the answer not in the manual?
Questions and answers
The mom set a high ceiling of 300. How do I get to an actual number and not a "high" reading
You can adjust the high glucose alert value on the Dexcom G4 by following these steps:
1. Press the button to select “High Alert.”
2. Press the UP or DOWN button to highlight “On/Off” and press the SELECT button to set this option.
3. Press the LEFT button to return to the previous screen.
4. Press the DOWN button to highlight “Level.”
5. Press the SELECT button and then use the UP or DOWN button to adjust the high glucose alert value.
6. The high glucose alert value can be set between 6.7 and 22.2 mmol/L in 0.1 mmol/L increments.
7. Press the SELECT button to confirm the new setting.
This adjustment allows you to set a specific threshold instead of receiving a general "high" reading.
This answer is automatically generated