SMA CLUSTER CONTROLLER Installation - Manual (Page 73)

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 the
Cluster Controller user manual).
• Refer to the device documentation.
glowing red At least one device has the status Error.
Corrective measures:
• Check the Cluster Controller event log (see the
Cluster Controller user manual).
• Refer to the device documentation.
The SD memory card in the Cluster Controller may be
defective.
Corrective measures:
• Check the Cluster Controller event log (see the
Cluster Controller user manual).
• If the SD memory card is defective, contact
Service (see Section 12, page 90).
flashing red The Cluster Controller could not start correctly. A sys-
tem error has occurred.
Corrective measures:
• Contact the Service (see Section 12, page 90).
7 Troubleshooting SMA Solar Technology AG / SMA America, LLC
Installation Manual 73 ClusterController-IA-en-14