The Aimon Elite lift-off function can cause the mouse to have poor tracking or stop tracking if the learning process is not done properly.
This is because the pad data will be collected while you turn it on, thus if you don't learn the pad surface correctly, the mouse will not be able to work on your pad.
Many users report their mouse stopped working while the mouse buttons work fine, this case can be considered as the lift-off function is not setup properly.
Here is a video showing how to enable/disable it and enabling the mouse to learn your pad surface:
