[User Interface (VEConfigure)] │ ├──► Basic Settings (AC currents, battery type) ──► No Grid Password Required │ └──► Grid Tab (Anti-islanding, country codes) ──► Requires Grid Code Password 🔒

Elias clicked the "Grid Code" dropdown. Locked.

When you attempt to save the new selection, the software will present a password dialog box. Enter the grid code password provided by your distributor or obtained through your professional training.

After years of supporting Victron systems, the standard default password is well-known within the professional community. However,

Knowing your specific goal can help determine which local regulations apply to your configuration.

Victron locks these settings to prevent end-users from accidentally changing parameters that could make their system illegal or dangerous. If you change these settings without knowing what you’re doing, you could: Void your warranty. Get fined by your energy provider.

and is officially only provided to trained installers and distributors.

If you find yourself unable to change your grid code and have lost or never had the password, here are steps to resolve the issue.

If you have a PC with (Windows/Mac) and a MK3-USB interface (or a VE.Bus Smart dongle), you can connect directly to the inverter and use the VeConfigure tool. Many users report that VeConfigure allows you to set the grid code without a password because it assumes physical access equals qualified personnel. This is the most common workaround:

: The default password for most MultiPlus and Quattro inverters is ZZZ .

Why is this happening? Is this a paywall? Did you break something? And most importantly,