SMA CLUSTER CONTROLLER - Manual (Page 86)

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 / SMA America, LLC
User Manual ClusterController-BA-en-14 86