Why does my Libre 2 keep saying signal loss? This is a common issue faced by many users of the Libre 2 continuous glucose monitor (CGM). The Libre 2, developed by Abbott, is a reliable and popular device for managing diabetes, but signal loss can be a frustrating problem that disrupts its functionality. In this article, we will explore the possible causes of signal loss in the Libre 2 and provide some solutions to help you get back to using your device without interruption.

The Libre 2 works by using a small sensor that is inserted under the skin to measure glucose levels in the interstitial fluid. This information is then transmitted to a receiver or smart device, allowing users to monitor their glucose levels in real-time. However, signal loss can occur when the sensor is not properly positioned or when there are external factors affecting the transmission.

One of the most common reasons for signal loss in the Libre 2 is improper sensor placement. The sensor must be inserted at the correct angle and depth to ensure a stable connection with the receiver. If the sensor is not inserted correctly, it may not be able to transmit a strong enough signal, leading to the “signal loss” message on the receiver or smart device.

Another possible cause of signal loss is interference from other electronic devices. Devices such as smartphones, wireless routers, and Bluetooth devices can interfere with the Libre 2’s signal, causing it to drop out. To minimize this interference, it is recommended to keep the Libre 2 away from other electronic devices and to avoid using them simultaneously.

Physical barriers can also contribute to signal loss. If the Libre 2 sensor is placed in an area with a lot of movement, such as the arm or leg, it may move around and disrupt the signal. Similarly, if the sensor is placed in an area with a lot of clothing or jewelry, it may interfere with the signal transmission.

To troubleshoot signal loss in the Libre 2, here are some steps you can take:

1. Check the sensor placement: Ensure that the sensor is inserted at the correct angle and depth. If necessary, reposition the sensor to a more stable area.

2. Remove external interference: Keep the Libre 2 away from other electronic devices and minimize the use of Bluetooth devices during sensor use.

3. Avoid physical barriers: Choose a placement area that is less likely to be disturbed by movement or clothing.

4. Update the software: Ensure that your LibreLink Up app is up to date, as software updates can sometimes resolve signal loss issues.

5. Contact customer support: If you have tried all the above steps and are still experiencing signal loss, it may be time to contact Abbott customer support for further assistance.

In conclusion, signal loss in the Libre 2 can be caused by a variety of factors, including improper sensor placement, interference from electronic devices, and physical barriers. By following the troubleshooting steps outlined in this article, you can help resolve signal loss issues and get back to using your Libre 2 with confidence.