SMA SI 3.0-11 - Manual (Page 29)

SMA Solar Technology AG 5 Operation of the Sunny Island Inverter With the Sunny Remote Control
Operating Manual SI30M-44M-60H-80H-BE-en-30 29
5.4 Installer Mode and Expert Mode
5.4.1 Switching to Installer Mode or Expert Mode
The installer mode is protected with an installer password. The installer password changes constantly and must be
recalculated every time. Expert mode can only be accessed via installer mode.
Procedure
1. On the Sunny Remote Control, select the setting page Password (1/1) in user mode.
2. Calculate the checksum of the operating hours Runtime. This determines the installer password.
3. Select the parameter Set and set the installer password calculated.
☑ The Sunny Remote Control is in installer mode.
4. To switch to expert mode, select the parameter 700.01 ActLev and set to Expert (see Section 5.4.6 "Setting the
Parameters", page 31).
5.4.2 Exiting Installer Mode or Expert Mode
If you do not press or turn the button on the Sunny Remote Control for five minutes, the Sunny Remote Control will switch
from installer or expert mode to standard mode automatically.
• Select the parameter 700.01 ActLev on the Sunny Remote Control and set to User (see Section 5.4.6 "Setting the
Parameters", page 31).
/05*$&
System failures due to entering incorrect parameter values
The system can become unstable and fail due to entering incorrect parameter values. All parameters which could affect
the operating safety of the system are protected by the installer password.
• Only a qualified person is permitted to set and adjust system parameters.
• Only give the installer password to qualified persons and operators.
Example: Calculating the checksum
The operating hours Runtime is 1234 h. The checksum is the sum of all digits:
1 + 2 + 3 + 4 = 10
The checksum is 10.