SMA CLUSTER CONTROLLER - Manual (Page 95)

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 55).
• 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 55).
• 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 / SMA America, LLC
User Manual 95 ClusterController-BA-en-14