App - 12 App - 12
MELSEC-Q
APPENDIX
Appendix 4.4.1 Error message list
The following table lists error messages. If the following messages are displayed, refer
to Appendix 4.4.2.
System error (nnnn) in xxxx See Appendix 4.4.2
The error codes in the “code” column are passed to the ERR function or displayed in
the LED indicator.
Error message
Code
(hexadecimal)
Meaning
Corrective action
Bad drive number
65 (41
H
)
The drive specification is incorrect. A
drive that does not exist in the
system was specified.
Specify the correct drive name.
Bad File Data
25 (19
H
)
Data format in the file is incorrect.
Check the data file attributes.
Check whether or not it is a
program file.
Bad file mode
54 (36
H
)
The file mode is incorrect.
Check the file mode for
sequential file access.
Bad file name
62 (3E
H
)
The file name specification is
incorrect.
Specify the correct file name.
Bad file number
52 (34
H
)
A file number other than 1 to 8 is
specified.
Specify a file number within the
range.
Can’t continue
17 (11
H
)
The execution cannot be restarted
using the CONT instruction (the
pointer value is corrupted).
Execute from the beginning.
Device already open
75 (4B
H
)
The ZOPEN instruction has been
executed again for a port already
opened by the ZOPEN instruction.
Modify the program so that the
ZOPEN instruction is not
executed twice.
Device I/O error
74 (4A
H
)
There is an error in the specification
of the ZOPEN instruction. (See the
description of the ZOPEN for the
details.)
Specify the instruction correctly
according to the format.
Device not open
76 (4C
H
)
The device is not open.
Execute the ZOPEN instruction.
Direct Statement in file
63 (3F
H
)
A direct statement was found when
an ASCII format file was read.
A program without line numbers
is being read. Check the file.
Disk full
60 (3C
H
)
• A write operation is attempted
when there is not enough space on
the disk.
• It is attempted to write more than
128 files.
• Delete unnecessary files.
