Sma CLUSTER CONTROLLER User Manual Page 99

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18.1.2 Network Port LEDs
LED Status Cause and corrective measure
Link/activity
(green)
off No network connection established.
The ClusterController is not connected to the voltage sup-
ply.
Corrective measures:
Connect the ClusterController to the voltage supply
(see the ClusterController installation manual).
No network connection established.
The network cable is not correctly connected to the Cluster
Controller, the router or the network switch.
Corrective measures:
Ensure that the network cables are correctly
connected (see the ClusterController installation
manual).
No network connection established.
One or more network components, network cables or con-
nectors are defective or damaged.
Corrective measures:
Replace the defective or damaged network
components, network cables or connectors.
flashing Network connection established.
Data is being sent or received.
Speed (yellow) off Network connection established.
The data transfer rate is up to 10Mbit/s.
on Network connection established.
The data transfer rate is up to 100Mbit/s.
18 Troubleshooting
SMASolarTechnologyAG/ SMAAmerica,LLC
User Manual 99ClusterController-BA-en-14
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