SMA Solar Technology AG 7 Troubleshooting
Installation Manual ClusterController-IA-en-10 67
Data carrier status ( ) Off The Cluster Controller is starting and no information is
yet available for data export or for USB data carriers.
Corrective measures:
• Wait until the Cluster Controller has completed
the start process and is ready for operation. Once
the start process is complete, the power LED ( )
glows green.
No USB data carrier was detected. It is possible that no
USB data carrier is connected or the USB data carrier
is not compatible.
Corrective measures:
• Ensure that a compatible USB data carrier is
connected (see Section9 "Technical Data",
page77).
Glowing
green
The USB data carrier is compatible. The free memory
capacity is above 10%.
Flashing green The USB data carrier is compatible. The free memory
capacity is above 10% and write or read accesses are
currently being performed.
• Only remove the USB data carrier once the data
carrier status LED is not flashing anymore..
Glowing
yellow
The USB data carrier at the USB terminal 1 is
compatible but the free memory capacity is 10% at
maximum.
Corrective measures:
• Files that are no longer required are to be deleted
from the USB data carrier.
or
• Replace the USB data carrier with a USB data
carrier that has sufficient free memory capacity.
LED Status Cause and corrective measures