Communication
Problem
Cause and corrective measure
Communication with at least one de-
vice is disturbed.
There may be a disturbance in the device.
Corrective measures:
• Check the Cluster Controller event log (see
• Refer to the device documentation.
The Cluster Controller may not be connected to the de-
vice.
Corrective measures:
• Ensure that the network cables are correctly
connected (see the Cluster Controller installation
manual).
• 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.
• If the problem persists, contact the network
administrator.
Problem
Cause and corrective measure
Communication with all devices is dis-
turbed.
There is a problem in the LAN.
Corrective measures:
• Ensure that the network cables are correctly
connected (see the Cluster Controller installation
manual).
• 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.
• If the problem persists, contact the network
administrator.
18 Troubleshooting
SMA Solar Technology AG
User Manual
ClusterController-BA-en-15
102
