SMA SUNNY EXPLORER - Manual (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.