Errors Related To Network - Omron SYSMAC CJ1W-EIP21 Operation Manual

Using the LED Indicators and Display for Troubleshooting
Errors Related to the
Network
Indicator
MS NS 7-segment
--- --- E1
The 7-segment display alternates between the node address and error code.
Error Cause
Ethernet Link The link with the
Not Detected switching hub
could not be
detected.
Note This error
will not
occur
when
data links
are not
set for
version
2.0 or
higher.
Unit operation (Flag Error
status) log
(hex)
• The Unit will be 03D3
offline and unable to
communicate. Errors
will be returned to all
communications
requests.
• Data exchanges
(refreshing) will con-
tinue with the CPU
Unit.
The Unit Error
Occurred Flag (n+10,
bit 00), Network Error
Occurred Flag (n+10,
bit 01), and Link OFF
Error Flag (n+10, bit
09) will go ON.
The Link Status Flag
(n+13, bit 14) will go
OFF.
Section 14-2
Countermeasure
Check the follow-
ing items:
• Is the cable con-
nected?
• Is the cable dam-
aged or loose?
• Is there excessive
noise?
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