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2 network port leds, Network port leds – SMA CLUSTER CONTROLLER Installation User Manual

Page 75

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7.1.2

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 Section 6.6, page 35).

No network connection established.
The network cable is not correctly connected to the Clus-
ter Controller, the router or the network switch.
Corrective measures:

• Ensure that the network cables are connected

correctly (see Section 6.9, page 41).

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.

7 Troubleshooting

SMA Solar Technology AG / SMA America, LLC

Installation Manual

75

ClusterController-IA-en-14