SolarEdge SE3K-RWB Installation Manual page 81

80 Troubleshooting Communication
4. Use a method independent of the SolarEdge device to check whether the network
and modem are operating properly. For example, connect a laptop to the Ethernet
router and connect to the Internet.
5. Check whether a firewall or another type of network filter is blocking
communication.
Three Phase System MAN-01-00507-4.2