SMA CLUSTER CONTROLLER - Manual (Page 97)

LED Status Cause and corrective measure
Status ( ) glowing red The SD memory card in the Cluster Controller may
be defective.
Corrective measures:
• Check the Cluster Controller event log (see
Section 9.1, page 55).
• If the SD memory card is defective, contact
the Service (see Section 21, page 116).
flashing red The Cluster Controller could not start correctly. A
system error has occurred.
Corrective measures:
• Contact the Service (see Section 21, page 116
).
18 Troubleshooting SMA Solar Technology AG / SMA America, LLC
User Manual 97 ClusterController-BA-en-14