Check that the lever located on the inner left side of the frame is set to "tracks/castle," oriented towards the front of the machine.
If the problem persists, please contact our 24-hour support service via the following link: https://support.pagani-geotechnical.com/hc/it
If you prefer to receive assistance during office hours, please fill out the form available at the following link: https://support.pagani-geotechnical.com/hc/it/requests/new