Troubleshooting Communication
Troubleshooting Ethernet (LAN)Communication
The possible errors and their troubleshooting are detailed in the following table:
Error Message Possible Cause and Troubleshooting
LAN cable disconnected
Physical connection fault. Check the cable pin-
out assignment and cable connection.
No DHCP
IP settings issue. Check the router and inverter
configuration. Consult your network IT.
Configure Static IPor set to DHCP
Gateway not responding
Ping to router failed. Check the physical
connection to the switch/ router. Check that
the link LED at the router /switch is lit
(indicating phy-link). If OK - contact your
network IT, otherwise replace the cable or
change it from cross to straight connection.
No Internet connection
Ping to google.com failed. Connect a laptop
and check for internet connection. If internet
access is unavailable, contact your IT admin or
your internet provider.
For Wi-Fi networks, ensure that user-name and
password are as defined in the internet
provider AP/ router.
Troubleshooting RS485 Communication
If the message RS485 Leader Not Found appears in the Status screen, check the
connections to the leader device and fix if required.
If after follower detection the number of followers displayed for the leader under
RS485-1> Follower Detect is lower than the actual number of followers, refer to the
following application note to identify missing followers and troubleshoot
connectivity problems:
https://www.solaredge.com/sites/default/files/troubleshooting_undetected_RS485_
devices.pdf
Three Phase Inverter with SetApp Configuration PN: SEXXK-XXXXIXXXX
61 Troubleshooting Communication
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