The system lock is on.
You can unlock the oven to start a cooking program by pressing the lock icon for at least 6 seconds.
To permanently deactivate the lock feature, proceed as follows:
Select the “Settings” menu.
Swipe across the screen until the Safety option appears.
Select the System Lock option.
The settings which are currently selected will have a colored frame around them.Select the On option.
The system lock is deactivated now. The oven can be used as normal.