Mitsubishi MELSEC Q Series User Manual

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18.2 Troubleshooting
18.2.9 When error occurs at function execution
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.
Figure 18.8 When error occurs at function execution
No
Yes
Is the stack
size of the
task sufficient?
Is the pointer value correct in the
user program?
Is the memory area specified
by size reserved?
Yes
No
No
Yes
Error occurred
Referring to the Actions by Event No.
( 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?
Has any error occurred?
Consult your local Mitsubishi service center
or representative, explaining the details of
the problem.
Consult your local Mitsubishi service
center or representative, explaining the
details of the problem.
Completed
Check the source and event No. on the
<<Event history>> tab ( Section 9.2.3)
of the C Controller setting utility.
Referring to the Actions by error codes
generated at function execution
( Section 18.4.1), identify the relevant
error and take corrective actions according
to the description.
Increase the stack size of
the task.
Correct the pointer value.
Reserve the memory area.
Section 18.4.1
Section 18.4.2
Section 9.2.3

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English