Omron SYSMAC CJ1W-EIP21, Operation Manuals

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13-19
13 Troubleshooting
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
13-2 Usin
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ooting
13
13-
2-1 Er
ror
s
Occur
ring at the Ether
Net/IP Unit
* The 7-segment display alternates between the node address and error code.
Indicator
Error Cause Unit operation
Error log
(hex)
Countermeasure
MS NS
7-seg-
ment*
Errors Related to the Network
Flash-
ing red --- F3 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. • Operation will continue
with the set IP address
as the local IP address.
*_AdrMismatchErr
(Address Mismatch) will
change to TRUE. --- Check the IP address
and the Node
Address Setting
Switch setting.
Flash-
ing red Not lit F4 Communications
Controller Error An error occurred in
the Communications
Controller in the Eth-
erNet/IP Unit. • The Unit will be offline
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.
020F Replace the Ether-
Net/IP Unit or the
CPU Unit if the error
recurs when the Unit
is restarted.
Flash-
ing red --- C8 Node Address
Setting Changed
During Operation The Node Address
Setting Switch was
changed during oper-
ation. Operation will continue.
*_IPAdrChgErr (Operat-
ing IP Address Change)
will change to TRUE.
--- Restart the Ether-
Net/IP Unit after set-
ting the correct node
address.
Errors Related to the Unit
Lit red Not lit --- Special Unit Error An error occurred in a
Special I/O Unit or
CPU Bus Unit. Records the error in the
error log.
Operation stops.
0601 Restart the CPU Unit.
Replace the Ether-
Net/IP Unit or the
CPU Unit if the error
recurs.