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Procedure:

1. Reset the password settings of the ClusterController via the display:

• Select the display view Settings. To do this, simultaneously press and hold the [OK] and

[ESC] buttons on the keypad for two seconds.

☑ The display view Settings opens.

• Select the Reset password line and press [OK].

☑ The display view Confirm the resetting appears.

• Select OK and confirm with [OK].

☑ The user password and the installer password are reset.

2. Log into the ClusterController as Installer with the default system password 1111.

☑ The inverters are each displayed with a padlock symbol in the system tree.

3. Adapt the installer password of the ClusterController to the PUK of the desired inverter. As a

result, the inverter can be accessed again:

• Select the ClusterController in the system tree and select the menu Settings > User

rights > Access control in the device menu.

• Select [Edit].

• In the field Set installer password, enter the PUK of the desired inverter as the new

system password.

• In the field Confirm password, enter the new system password again.

• Select [Save].

☑ The ClusterController changes the system password for the user group Installer

and the inverter is no longer displayed with a padlock symbol in the system tree.

4. To unlock additional inverters, repeat step 3 for the desired inverters.

5. Adapt the installer password and the user password of the ClusterController to the desired

system passwords:

• Select the ClusterController in the system tree and select the menu Settings > User

rights > Access control in the device menu.

• Select [Edit].

• In the field Set installer password, enter the desired system password for the user

group Installer as a new system password.

• In the field Confirm password, enter the new system password again.

• In the field Set user password, enter the desired system password for the user group

User.

• In the field Confirm password, enter the new system password again.

• Select [Save].

☑ The ClusterController changes the system passwords of both user groups and transmits the

changed system passwords to the inverters.

15 Passwords and SMA Grid Guard

SMA Solar Technology AG

User ManualClusterController-BA-en-1582

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