The manual is an easy place to find what the lights mean...
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.tesla.com/sites/default/files/support/charging/Gen3_WallConnector_Installation_Manual.pdf&ved=2ahUKEwjFst3Lz6r3AhWVJ0QIHd0dA1gQFnoECAYQAQ&usg=AOvVaw1_EBEh1zsquNNIL9DgRrVn...