KEYENCE KV Series - Manual (Page 182)

Appendices
2-158
Appendices
A-5 Errors that occur in the editor
Error messages displayed in the editor are shown below.
Error message Cause Countermeasures
Reverse Compila-
tion Error. A grammar error occurred
when a program was read from
the KV and converted into a
ladder diagram, or when a
ladder diagram was converted
while the code check system
setting was selected. Display the error list [ ➮ Error
display (p. 2-76)], confirm the
contents of the error, and then
correct the program
[
➮ H-3 Programs which cannot be
decompiled (p. 2-203)].
Compilation Error. A grammar error occurred
when edit was terminated. Display the error list [ ➮ Error
display (p. 2-76)], confirm the
contents of the error, and then
correct the program.
Specified label
already used. The specified label has already
been assigned to another
device. Specify a different label for each
device.
Write/Develop
macro failed. An error occurred while a
macro was being written and
developed. Confirm the contents of temporary
devices. Confirm that the limitation
in the editor was satisfied while the
macro was written and developed.
Program is too
large. The program is too large to be
edited. The maximum number of lines
allowed in a ladder program is
9999.
No. of instruction
word or operand is
illegal. Too many or too few operands
have been entered.
Contact name is
illegal. An unaccepted
device is specified.
Confirm the format of the
corresponding instruction using
the manual or the help function.
Temporary device
can’t be used for
TMR, TMH and
TMS.
Temporary device
can’t be used for C.
Temporary device
can’t be used for
CTH.
Temporary device
can’t be used for
CTC.
Temporary device
can’t be used for
UDC.
These devices cannot be used
as temporary devices. Do not use them as temporary
devices.
Illegal operand.
Illegal first operand.
Illegal second
operand.
The mnemonic of an instruction
word is incorrect. Confirm the specifications of the
instruction using the manual or the
help function.
Can’t overwrite on
comment ladder
line.
Illegal Comment
File.
Illegal file format.
Cancel reading.
A file may be damaged. Use "SCANDISK" to check for disk
errors.
The file set in the automatic file
read function was not found. Check whether the corresponding
file exists in the displayed location,
and set it again. This file is not
found in [File
Names]. Check for
directory and file
name and input
correct name.
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