Omron CJ1W-EIP21 Operation Manuals page 336

13 Troubleshooting
Indicator
7-seg-
MS NS
ment*
Errors Related to the Network
--- --- E3
--- Lit red F0
* The 7-segment display alternates between the node address and error code.
13-18
Error Cause
Server Connec- An error occurred in
tion Error communications with
the STNP server.
An error occurred in
transmission to the
SNMP trap.
IP Address Dupli- The IP address of the
cation EtherNet/IP Unit is
the same as the IP
address set for
another node.
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
Error log
Unit operation
(hex)
*_SNTPSvrErr (SNTP 03C4
Server Error) will change
Details:
to TRUE.
03xx
--- 03C4
Details:
07xx
• The Unit will be offline 0211
and unable to commu-
nicate. Errors will be
returned to all commu-
nications requests.
• Data exchanges
(refreshing) will con-
tinue with the CPU Unit.
*_UnitErr (Unit Error
Occurred), *_NetErr (Net-
work Error Occurred),
and *_IPAdrDupErr (IP
Address Duplication
Error) will change to
TRUE.
Countermeasure
Perform one of the
following:
• Correct the SNTP
server settings.
• Check the commu-
nications path (Eth-
erNet/IP Unit,
cable connections,
hubs, routers, and
servers) and cor-
rect any problems.
Perform one of the
following:
• Correct the SNMP
trap settings.
• Check the commu-
nications path (Eth-
erNet/IP Unit, cable
connections, hubs,
routers, and serv-
ers) and correct
any problems.
Check the IP
addresses set on
other nodes. Restart
the EtherNet/IP Unit
after correcting the IP
address settings to
eliminate duplica-
tions.