Mitsubishi Q01CPU User Manual page 363

12
TROUBLESHOOTING
(From previous page)
How is the "ERR."
LED of the CPU module?
Off
Change to USB connection to read
CPU setting parameters.
Is the Ethernet
port setting in "PLC parameter" for
QnUDE(H)CPU correct? *
YES
Is forced deactivation
set in "Status of each connection"
of "Ethernet diagnosis"?
NO
Any error in
"Status of each connection" or
"Error log" of "Ethernet
diagnosis"?
NO
(To next page)
On or flashing
"LAN CTRL. DOWN"?
NO
Section 12.2.9
Flowchart for when the "ERR." LED is on/flickering
NO
Enter correct parameters.
3
NO
communication available with
YES
NO
communication available with
YES
Take actions according to
NO
communication available with
* 3: Confirm the following:
• Correct IP address?
• Normal subnet mask pattern?
• Normal default router IP address?
• Protocol in the open setting, protocol desired for the function, and whether the settings are
completed for the number of modules used for the function?
12.2.27 When Ethernet communication with the target device is not available
YES
Is Ethernet
the target device?
Disable the forced
deactivation.
Is Ethernet
the target device?
the error code.
Is Ethernet
the target device?
12.2 Troubleshooting
Hardware fault
Please consult your local nearest
Mitsubishi or representative,
explaining a detailed description
of the problem.
YES
YES
YES
Completed
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