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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
No connection to SolarEdge servers
Troubleshooting RS485 Communication
If the message RS485 Master Not Found appears in the Status screen, check the connections to the
l
master device and fix if required.
If after slave detection the number of slaves displayed for the master under RS485-X
l
Conf è Slave Detect is lower than the actual number of slaves, refer to the following
application note to identify missing slaves and troubleshoot connectivity problems:
https://www.solaredge.com/sites/default/files/troubleshooting_undetected_
RS485_devices.pdf
Additional Troubleshooting
1. Check that the modem or hub/router is functioning properly.
2. Check that the connection to the internal connector on the communication board is properly done.
3. Check that the selected communication option is properly configured.
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
-Three Phase Inverter with Synergy Technology Installation MAN-01-00402-1.4
Appendix A: Errors and Troubleshooting
Cause and Troubleshooting
Physical connection fault. Check the cable pin-out
assignment and cable connection. Refer to
an Ethernet (LAN) Connection on page 61
IP settings issue. Check the router and inverter
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.
Ping or connection to SolarEdge server failed. Check
the SolarEdge server address, under
menu:
Address: prod.solaredge.com
Port: 22222
Check with your network administrator whether a
firewall or another device is blocking transmission.
Creating
.
LAN Conf
sub-
73
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Table of Contents
Troubleshooting
