User`s manual

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MELSEC
11 TROUBLESHOOTING
YES
NO
YES
NO
1)2)
Change the user program in which the
error occurred and create a program
that is valid only in the areas of
communication functions, then slowly
add processes to the program. Execute
the program continuously for a sufficient
period.
Did the operating system
start normally?
Check the added sections of the user
program.
Did the user
program return to the
original state?
Execute the program continuously for a
sufficient period to confirm that the error
does not recur.