SMA CLUSTER CONTROLLER

LED Status Cause and corrective measure
Status ( )
glowing green Normal operation
glowing yellow
At least one device has the status Warning.
Corrective measures:
• Check the Cluster Controller event log (see
Section9.1, page51).
• Refer to the device documentation.
Communication with at least one device is dis-
turbed. There may be a disturbance in the device.
Corrective measures:
• Check the Cluster Controller event log (see
Section9.1, page51).
• Refer to the device documentation.
Communication with at least one device is dis-
turbed. The ClusterController may not be con-
nected to the device.
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.
18 Troubleshooting
SMA Solar Technology AG
User Manual 91ClusterController-BA-en-15