Omron CJ1W-EIP21 Operation Manuals page 337

Indicator
7-seg-
MS NS
ment*
Errors Related to the Network
Flash- --- F3
ing red
Flash- Not lit F4
ing red
Flash- --- C8
ing red
Errors Related to the Unit
Lit red Not lit ---
* The 7-segment display alternates between the node address and error code.
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
Error Cause
Not lit The target IP address
conversion method is
set to Automatic gen-
eration, but the last
byte of the local IP
address does not
match the value set
on the Node Address
Setting Switch.
Communications An error occurred in
Controller Error the Communications
Controller in the Eth-
erNet/IP Unit.
Node Address The Node Address
Setting Changed Setting Switch was
During Operation changed during oper-
ation.
Special Unit Error An error occurred in a
Special I/O Unit or
CPU Bus Unit.
13 Troubleshooting
Error log
Unit operation
(hex)
• Operation will continue ---
with the set IP address
as the local IP address.
*_AdrMismatchErr
(Address Mismatch) will
change to TRUE.
• The Unit will be offline 020F
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 *_LANHwErr (Com-
munications Controller
Error) will change to
TRUE.
Operation will continue. ---
*_IPAdrChgErr (Operat-
ing IP Address Change)
will change to TRUE.
Records the error in the 0601
error log.
Operation stops.
Countermeasure
Check the IP address
and the Node
Address Setting
Switch setting.
Replace the Ether-
Net/IP Unit or the
CPU Unit if the error
recurs when the Unit
is restarted.
13
Restart the Ether-
Net/IP Unit after set-
ting the correct node
address.
Restart the CPU Unit.
Replace the Ether-
Net/IP Unit or the
CPU Unit if the error
recurs.
13-19