Learn what to do if your Gaggia Cadorna Prestige is displaying a message that says you need to close the bean hopper lid when it is already closed.
False Bean Hopper Lid Open Error
It's rare, but possible that your machine may display the bean hopper lid open icon, even though the bean hopper lid is closed. There are a few things that may be causing this. There is a magnet in the bean hopper lid. This magnet may have gone missing or the sensor the magnet makes contact with is oriented the wrong way. The instructions listed in the document attached at the end of the article will help you resolve the issue.
If you find that the magnet and sensor are both present and in the correct position, you will need to replace the sensor.