Omron CJ1W-EIP21 Operation Manuals page 334

13 Troubleshooting
Indicator
7-seg-
MS NS
ment*
Errors Related to Memory Access
Flash- --- EA
ing red
Flash- --- F2
ing red
--- --- E1
* The 7-segment display alternates between the node address and error code.
13-16
Error Cause
IP Advanced Set-
tings Error
Ethernet Basic
Settings Error
Ethernet Link Not The link with the
Detected Ethernet switch could
not be detected.
Note This error will
not occur when
data links are
not set.
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
Error log
Unit operation
(hex)
There is an error in the 03D1
parameter settings stored
in the Unit's non-volatile
memory. (An error can
occur when power is
interrupted while data is
being written to non-vola-
tile memory.)
The Unit Error Occurred
Flag (n+10, bit 00) and
Invalid Communications
Parameter Flag (n+12, bit
04) will go ON.
--- 03D0
• The Unit will be offline 03D3
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 *_LkOffErr (Link OFF
Error) will change to
TRUE. *_LkSta (Link Sta-
tus) will change to
FALSE.
Countermeasure
Identify the error log
data, correct the set-
tings, and then down-
load the Unit Setup
from the tab pages of
the Edit Parameters
Dialog Box of the
Sysmac Studio.
Download the set-
tings from the TCP/IP
or Ethernet Tab
Pages of the Edit
Parameters Dialog
Box of the Sysmac
Studio or download
the TCP/IP settings
from the Network
Configurator.
Check the following
items:
• Is the cable con-
nected?
• Is the cable dam-
aged or loose?
• Is there excessive
noise?