Mitsubishi MELSEC - Flowchart for When a Program Cannot be Read

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12.2 Troubleshooting Flowchart
12.2.10 Flowchart for when a program cannot be read
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TROUBLESHOOTING
12.2.10 Flowchart for when a program cannot be read
The following shows the flowchart for when a program cannot be read from the CPU
module.
Figure 12.6 Flowchart for when a program cannot be read
Try resetting the CPU module.
Connect the connection cable
properly.
NO
Completed
YES
Can a program be read
by replacing the connection
cable?
Hardware error
Please consult your local Mitsubishi
service center of representative,
explaining a detailed description of
the problem.
Is the connection
cable connected
properly?
YES
NO
NO
NO
NO
YES
YES
A program cannot be read.
Can a program be read?
Can a program be read?