Sensors & Transmitters

Sensor & Transmitter Troubleshooting Tips

If Your... Then...

Insertion Site:

  • Is red, irritated, or painful

 

Sensor:

  • Did not fully insert
Change the sensor and insert it into a different location

  • Avoid sites where clothes may rub, where your body bends a great deal and their beltline if possible. These areas present a higher risk of the sensor and transmitter being accidently pulled out.
  • Do not insert the sensor into an area that is lean, scarred, or hardened. If inserted in these areas it may decrease the flow of interstitial fluid or the sensor may kink.
  • Try a different orientations for the sensor and transmitter. For example, insert so the sensor on the bottom and the transmitter sits on top. This orientation may help prevent a teeter-totter action at the sensor and transmitter connection which could lead to a lost signal.

Things to Examine / Questions to Ask Solutions

Insertion Site:

  • Is bleeding
  1. Apply steady pressure using a sterile gauze or clean cloth for up to 3 minutes.
  2. If bleeding stops then attach the sensor to the transmitter.

 

If bleeding does NOT stop, do not attach the sensor to the transmitter:

  1. Remove the sensor and discard.
  2. Check the site for bleeding, irritation, pain, tenderness or inflammation and treat accordingly.
  3. Insert a new sensor in a different location.

To help avoid bleeding at the insertion site in the future, don’t hold the needle housing too low or place and squeeze the arms on either side of the sensor base as it may jam the housing arms. This can cause site trauma from struggling and tugging at the needle housing while the needle is still in the skin.

 

Note: Make sure blood does not enter the connection point between the transmitter and glucose sensor.

Transmitter:

  • Did not flash a green light when connected to the sensor
  1. Try to disconnect the transmitter, wait for several seconds and then reconnect. If the green light still does not flash, charge your transmitter.
  2. If that doesn’t work, double check to make sure the sensor is fully inserted into your body, review the technique on how to insert correctly. Review the Changing Your Sensor support video for information on how to insert a sensor correctly

Note: For optimal performance, connect the transmitter right away once you’ve inserted and taped the Enlite sensor.

Calibration:

  • May or may not have been accepted by your device
  • Led to a CAL ERROR alert

Wait 10-15 minutes after calibration to see the first sensor glucose reading on your device screen.

After 15 minutes, you can view the CALIBRATE HISTORY screen to confirm:

MAIN MENU > SENSOR > Calibration Hist. If you receive a CAL ERROR then your device has not accepted the calibration, follow these actions.

When calibrating your sensors, remember to always:

  • Wash hands before taking a fingerstick test.
  • Enter your BG (blood glucose) readings into the pump right away.
  • Calibrate approximately 3-4 times a day when your BG is stable.
  • Wait at least 15 minutes between calibration entries.

Device:

  • Is giving you a specific alert message
If you are experiencing frequent Sensor Errors, Lost Sensor alerts or other alert messages please Look up your alert and follow the actions listed. Sensor Errors or Lost Sensor alerts could be due to insecure taping, please refer to 'additional taping' options section of the PDF.

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