Event 9003 — Grid parameter locked

What does 9003 mean?

Changes to the inverter's grid parameters are currently blocked. To modify these parameters, you must log in using the SMA Grid Guard code.

• Attempting to change grid parameters without being logged in with the SMA Grid Guard code.
• Security feature activated to protect grid-critical settings.

Click steps to track your progress.

1. 1

   Log into the inverter's user interface using the correct SMA Grid Guard code.

2. 2

   Once logged in with the Grid Guard code, you should be able to make changes to grid parameters.

3. 3

   If you don't have the code, contact your qualified installer.