If you cannot solve this by doing a factory reset (see below), contact support. We will guide you through the necessary steps.
In case you are having problems with a Miura reader, you can do a factory reset.
Miura Shuttle: The reset button is located in a small hole on the left side of the reader, right to the power button.
Miura M010: The reset button is located a small hole on the upper side of the reader, right to the power button.
Push the reset button with a paper clip.
Press 3 to select option "Total factory reset".
Confirm by pressing the green checkmark key.
A factory reset will be done.