SMA CLUSTER CONTROLLER Installation - Manual (Page 80)

Problem Cause and corrective measure
The login page does not open. There is a problem in the LAN.
Corrective measures:
• Ensure that the network cables are correctly
connected to the Cluster Controller (see Section 6.9,
page 41).
• Check whether the network components, network
cables or connectors are defective or damaged.
Replace defective or damaged network components,
network cables or connectors.
• Check whether the network settings of the individual
network components are correct. Adapt the network
settings if required.
• Restart the Cluster Controller. Disconnect the
Cluster Controller from the voltage supply and
reconnect it to the voltage supply. Note that this can
lead to loss of system data.
• If the problem persists, contact the network
administrator.
Login to the user interface has failed. The system password has been entered incorrectly four
times. Access to the Cluster Controller is suspended for
15 minutes.
Corrective measures:
• Wait 15 minutes, then log in with the correct system
password.
7.3 Resetting the Cluster Controller
You can reset the Cluster Controller via the keypad.
Procedure:
1. Call up 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.
2. Select the settings that are to be reset:
Settings to be reset Explanation
Reset password The user password and the installer password are re-
set.
Reset network settings The network settings of the Cluster Controller are reset.
Reset to default settings The Cluster Controller is reset to default settings. Stored
system data is deleted.
7 Troubleshooting SMA Solar Technology AG / SMA America, LLC
Installation Manual ClusterController-IA-en-14 80