Appendix A: Errors and Troubleshooting
SolarEdge Installation Guide – MAN-01-00057-2.2
Appendix A: Errors and Troubleshooting
This appendix describes the error messages that appear on the inverter LCD panel when an error occurs,
and how to troubleshoot them.
Troubleshooting Communication - S_OK is Not
Displayed
If S_OK is not displayed, perform the following:
► To troubleshoot Ethernet communication:
When Ethernet communication is used, the Server Communication Status window, as described on
page 39, can be used to identify the location of the error.
S e r v e r : L A N < S _ O K >
S t a t u s : < O K >
x x x x x x x x
< E r r o r M e s s a g e >
xxxxxxxx is a string of 1s and 0s showing an eight-bit communication connection status. 1 indicates OK and
0 indicates an error. The possible errors and their troubleshooting are detailed in the following table:
An Ethernet physical cable
connection fault: The Ethernet
link or physical Ethernet cable
are not connected properly
Check the cable pin-out assignment and
cable connection. Refer to Creating an
Ethernet (LAN) Connection on page 42
DHCP Failed,
or Invalid
DHCP Config
The inverter failed to get a
valid IP address from the
DHCP server, or
The DHCP/static IP settings in
the gateway are not the same
as those of the router.
Check the router and inverter
configuration. Consult your network IT.
The connection to the router is
not available: Ping to the first
local switch/router failed (LAN
error)
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
The connection to the Internet
is not available: 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 WIFI networks, ensure that username
and password are as defined in the
internet provider AP/router.
Ping to redundant server #x
failed
Check the SolarEdge server address,
under LAN Conf submenu
Address: prod.solaredge.com
Port: 22222
Check with your network administrator
whether a firewall or another device is
blocking transmission
The connection to the
SolarEdge server was not
established: Communication
with the server failed