SolarEdge SE55K

Troubleshooting Communication
Troubleshooting Ethernet (LAN) Communication
The possible errors and their troubleshooting are detailed in the following table:
Error Message Cause and Troubleshooting
LAN cable disconnected
Physical connection fault. Check the cable pin-out
assignment and cable connection. Refer to Creating
an Ethernet (LAN) Connection on page 66.
No DHCP
IP settings issue. Check the router and inverter
configuration. Consult your network IT.
Configure Static IP or 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.
No connection to SolarEdge servers
Ping or connection to SolarEdge server failed. Check
the SolarEdge server address, under LAN Conf sub-
menu:
Address: prod.solaredge.com
Port: 22222
Check with your network administrator whether a
firewall or another device is blocking transmission.
Troubleshooting RS485 Communication
If the message RS485 Master Not Found appears in the Status screen, check
the connections to the master device and fix if required.
If after slave detection the number of slaves displayed for the master under
RS485-X 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
-Three Phase Inverter with Synergy Technology Installation MAN-01-00402-1.2
80 Troubleshooting Communication