When Error Occurs At Function Execution - Mitsubishi MELSEC-Q Series User Manual

18
TROUBLESHOOTING

18.2.9 When error occurs at function execution

The following flowchart shows procedures to be taken when an error occurred during
execution of a function in the C Controller system.
Error occurred
Does the endian
format of the execution file
match the specification of your
C Controller module?
Section 10.2.3 (3)
( Section 10.2.3(3) )
Yes
Check the Source and Event No. on the
<<Event history>> tab (
of the C Controller setting utility.
Referring to the Actions by Event No.
Section 18.4.2
( Section 18.4.2), identify the relevant
event and take corrective actions according
to the description.
Is any error such as
an OS system error
displayed?
Yes
Referring to the Actions by error codes
generated at function execution
Section 18.4.1
( Section 18.4.1), identify the relevant
error and take corrective actions according
to the description.
Has any error occurred?
Yes
Consult your local Mitsubishi service center
or representative, explaining the details of
the problem.
No
Compile the user program and
regenerate an execution file
according to the C Controller
module specifications.
Section 9.2.3
Section 9.2.3)
No
Is the pointer value correct in the
Is the memory area specified
Increase the stack size of
the task.
Correct the pointer value.
Reserve the memory area.
No
Figure 18.8 When error occurs at function execution
Completed
Is the stack
size of the
task sufficient?
user program?
by size reserved?
Yes
Consult your local Mitsubishi service
center or representative, explaining the
details of the problem.
Completed
18.2 Troubleshooting
18.2.9 When error occurs at function execution
No
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