Fronius Symo Hybrid 3.0-3-S - Key Lock Functionality and Basic Menu Access; Activating and Deactivating the Key Lock

Switching the key lock on and off
General The inverter has a key lock function.
When the key lock is active, the Setup menu is not accessible, i.e. the setup data cannot
be changed accidentally (or maliciously).
The code 12321 has to be entered in order to activate / deactivate the key lock.
Switching the key
lock on and off
1
Press the "Menu" key
The menu level appears.
2
Press the unassigned "Menu / Esc" key
5 times
"Access Code" is displayed in the "CODE"
menu; the first digit starts flashing.
3
Enter the code 12321: Use the "Plus" and
"Minus" keys to select a value for the
first digit of the code
4
Press the "Enter" key
Acess Code
The second digit flashes.
5
Repeat steps 3 and 4 for the second, third,
fourth and fifth digits of the access code
until...
the selected code starts flashing.
6
Press the "Enter" key
"Setup Menu Lock" is displayed in the "LOCK"
menu.
7
Use the "Plus" and "Minus" keys to
turn the key lock on or off:
ON = key lock is on (the Setup menu is not
accessible)
OFF = key lock is off (the Setup menu is
accessible)
8
Press the "Enter" key
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