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7 Troubleshooting
LED
Data carrier status
(
)
Data carrier status
(
)
68
ClusterController-IA-en-15
Status
Cause and corrective measure
off
The Cluster Controller is starting and no information is
yet available for data export or for the USB data car-
rier.
Corrective measures:
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:
glowing green
The USB data carrier is compatible. The free storage
capacity is above 10%.
glowing yellow
The USB data carrier connected to USB port 1 is
compatible but the free storage capacity is no more
than 10%.
Corrective measures:
glowing red
The USB data carrier connected to USB port 1 is full
or write-protected.
Corrective measures:
flashing green or
Write or read accesses are currently being per-
yellow or red
formed on the USB data carrier.
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 (
) will glow green.
• Ensure that a compatible USB data carrier is
connected (see Section 9, page 78).
• Delete files that are no longer required from the
USB data carrier.
or
• Replace the USB data carrier with a USB data
carrier that has sufficient free storage capacity.
• If the USB data carrier is full, replace the USB
data carrier.
• If the USB data carrier is write-protected,
remove the write protection or use a USB data
carrier without write protection.
• Only remove the USB data carrier once the
data carrier status LED is no longer flashing.
SMA Solar Technology AG
Installation Manual
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