(1)
Is the IP address
specified in the command
correct?
YES
Is the specification
of the command
format such as command type,
device specification, address
specification correct?
YES
Is there an open error,
initial error in each
channel?
NO
It may be a hardware error of CPU
module (built-in Ethernet). Please
compile detailed contents of the
problem, and, consult the nearest
branch office or the agency.
Errors during file transfer function (FTP server)
Communication error
Check the FTP server settings in
the CPU module.
Are the log-in name and
the password collect?
YES
Is the IP address
correct at the time you
have logged in?
YES
Is the IP address of the
external device not denied
in IP Filter Settings?
YES
Have you used the
execution command
correctly?
YES
Check the error code (Refer to Section
11.3) and fix the cause of error.
NO
Modify the IP address and send the
command once again.
NO
Modify the command format.
YES
Check the error code, cause of error
of each channel and rectify.
Log in the system with the log-in
NO
name and the password that you
have established in the parameters.
Log in the system with the IP address
NO
of the CPU module that you have
established in the parameter.
Cancel the block of the IP address of
NO
the external device, or set as the
address to be allowed, and send the
command again.
NO
Check the usage of the command.
Use the correct command.
13 TROUBLESHOOTING
13.5 Troubleshooting Flowchart
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