15-41
15 Troubleshooting
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
15-2 Troubleshooting
15
15-2-2 Error Descriptions
* This event code occurs for unit version 1.10 or later of the CPU Unit.
Event name BOOTP Server Connection Error Event code 840B0000 hex*
Meaning Connection with the BOOTP server failed.
Source EtherNet/IP Function Module Source details Communications
port 1 or 2
Detection
timing
At BOOTP opera-
tion
Error attributes Level Minor fault Recovery Automatic recov-
ery
Log category System
Effects User program Continues. Operation EtherNet/IP communications are not possible for the rele-
vant communications port. Requests to the BOOTP server
will continue until there is a response from the BOOTP
server. Data refreshing with the PLC Function Module will
continue. An IP address was not set for the EtherNet/IP
port when it was supposed to be set from the BOOTP
server.
Indicators EtherNet/IP NET RUN EtherNet/IP NET ERR EtherNet/IP LINK/ACT
OFF Flashes at 1-s intervals. ---
System-defined
variables
Variable Data type Name
_EIP1_BootpErr BOOL Port1 BOOTP Server Error
_EIP2_BootpErr BOOL Port2 BOOTP Server Error
Cause and
correction
Assumed cause Correction Prevention
Server setting error Correct the server settings at the
remote connection.
Check to make sure that the server
settings at the remote connection are
correct.
The server is down. Check if the server at the remote con-
nection is operating normally and set
it to operate normally if it is not.
Check to make sure that the server at
the remote connection is operating
normally.
An error occurred in the communica-
tions path.
Check the communications path to
the server and take corrective mea-
sures if there are any problems.
None
Attached
information
None
Precautions/
Remarks
None
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