: This lock prevents unauthorized users from disabling safety features like Loss of Mains (LOM) detection or changing country-specific frequency and voltage limits, which could lead to illegal grid feeding or equipment damage. Other Common Victron Passwords
If no PIN is printed on the sticker, then the default PIN is 000000. Victron Energy Victron Inverter Programming - Battle Born Batteries
A "Grid Code" is a set of technical requirements and regulations defined by utility companies and national electrical standards. These rules dictate how an inverter interacts with the public electricity grid.
is a specific, restricted credential required to change or disable a country-specific grid code once it has been set. Grid code setting modify to your country for installers