7.
LISTS
OF
ERROR MESSAGES
MELSECIA
7.2
PC CPU
Errors
,---
When an error step
in
the OTHERS mode is read, the error message of the
error that is occurring in the ACPU, the error step, etc. are displayed.
This section shows the error messages, error contents, and corrective ac-
tion(s).
When an error message is displayed, perform the following, and then restart
operations:
1)
Check the error message.
2)
When an error code is not displayed, check the error code of special register
D9008 by device monitoring (see Section
6.6.3)
in the MONITOR mode.
3)
Remove the cause
of
the error.
(Display format)
I
Disptay example when an error occurs
in
any CPU but an AnACPU
I
The mode is disolaved.
(OTHERS mode)
e
The error occurrence step number
is
displayed. (D9010 step number)
The error message
is
displayed.
The error code is displayed.
(D9008 error code)
Display example when an error occurs in an AnACPU
The mode
is
disolaved.
1
L
?he detailed error code is dis-
played. (D9091 error code)
I
Displayed when there
is
a history
of
errors.
Example of continuous display when
"&'I
above
is
displayed
(when there is an error history)
The mode
is
displayed.
(OTHERS mode)
The error history number is dis-
played.(The
ACPU's
history manage-
ment number)
The error occurrence step number
is
displayed.
The error message is displayed.
The error code
is
disolaved.
The detailed error code
1s
displayed.
The date and time
of
the error occur-
rence are displayed.
Displayed when there are other
error histories.
POINT
1
When a PC CPU error message is displayed, take corrective action
based on the ACPU Programming Manual (Common Instructions) and
the User's Manual of each CPU.
7-4
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