Sma SUNNY EXPLORER User Manual download pdf (Page 51)

SMA Solar Technology AG 10 Troubleshooting

User Manual Explorer-BA-en-17 51

Speedwire Connection

Problem Cause and corrective measures

System search

No Speedwire system found

• The network connection to the Speedwire system is

interrupted.

–

Check the network connection between the computer

and your Speedwire system.

– Ensure that your network is only using components

(e.g. network switches) that support IP Multicast.

• The network connection is deactivated.

– Activate the network connection on your computer.

• The network connection has been incorrectly configured.

– Configure the network connection so that the computer

is in the same subnet as the Speedwire devices. Contact

your network administrator if you require assistance.

System search

Connection to the Speedwire

system has failed.

• The network configuration has changed.

– Repeat the system search in Sunny Explorer.

– Restart Sunny Explorer and create a new system.

Inverter is not accessible

After setting parameters for

Speedwire communication, the

inverter is no longer accessible.

• Changing the parameters that regulate the Speedwire

connection (e.g. IP parameters) may interrupt Speedwire

communication.

– Configure the network connection so that the computer

is in the same subnet as the Speedwire devices. Contact

your network administrator if you require assistance.

– Try to reconnect. To do this, select Options > Repeat

establishment of connection.

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Sma SUNNY EXPLORER User Manual Page 51