Troubleshooting Communication - SolarEdge SE K Series Installation Manual

88 Troubleshooting Communication

Troubleshooting Communication

Troubleshooting Ethernet (LAN) Communication
The possible errors and their troubleshooting are detailed in the following table:
Error Message
LAN cable disconnected
No DHCP
Configure Static IP or set to DHCP
Gateway not responding
No Internet connection
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
Possible Cause and Troubleshooting
Physical connection fault. Check the cable pin-
out assignment and cable connection.
IP settings issue. Check the router and
configuration. Consult your network IT.
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.
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.
Three Phase Inverters with Synergy Technology PN: SExxK-xxxxIxxxx