LINK/ACT lit?
NET ERR lit?
NET ERR lit?
NET RUN lit?
Start
Not lit
Not lit
NET ERR lit?
A link is not established with the
Ethernet switch.
Replace the Ethernet cable or the
Ethernet switch.
An error from which recovery is not
possible has occurred in Ethernet
communications. Replace the CPU Unit.
An error for which recovery is possible
has occurred in one of the functions.
Monitor the system-defined variables
on the Sysmac Studio or an HMI to
isolate the cause of the error, and
take necessary measures.
An error from which recovery is not
possible has occurred in CIP or
TCP/IP application communications.
Replace the CPU Unit.
Isolate the cause of the error and
check the functions that are affected.
There are no communications errors in the built-in EtherNet/IP port.
Ethernet communications are not possible
with the user IP address, but recovery is
possible.
Monitor the system-defined variables
by directly connecting the Sysmac Studio
to the EtherNet/IP port, and isolate the
cause of the error.
Lit
LitLit
Flashing
Flashing
Flashing
Lit
Flashing
Lit
Flashing
Ethernet communications are
possible.
You can check error details
when you connect the Sysmac
Studio or an HMI via Ethernet.
Not lit
Ethernet communications are not possible.
You cannot check the error details.
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