A-19
Appendices
NJ-series Instructions Reference Manual (W502)
A-2 Error Code Descriptions
App
16#040D Illegal Unit Speci-
fied
The Unit specified for an
instruction does not exist.
• A Unit that does not exist in the Unit configu-
ration information was specified.
• A Unit that is in the Unit configuration infor-
mation was specified, but the Units does not
actually exist in the Controller.
page A-28
16#040F Unit Restart Failed Restarting a Special I/O
Unit or CPU Bus Unit failed.
• The Special I/O Unit or CPU Bus Unit is pro-
cessing data.
page A-29
16#0410 Text String Format
Error
The text string input to an
instruction is not correct.
• The text string that is input to the instruction
for conversion to a number does not repre-
sent a number or it does not represent a
positive number.
• The input text string does not end in NULL.
page A-29
16#0411 Illegal Program
Specified
The program specified for
an instruction does not
exist.
• The program specified by the function does
not exist (e.g., it was deleted).
page A-29
16#0413 Undefined CJ-
series Memory
Address
The required specification
is missing for a variable for
which CJ-series Unit mem-
ory must be specified.
• The required AT specification is missing for
a variable for which CJ-series Unit memory
must be specified.
page A-30
16#0414 Stack Underflow There is no data in a stack. • An attempt was made to read data from a
stack that contains no data.
page A-30
16#0416 Illegal Number of
Array Elements or
Dimensions
The valid range was
exceeded for the number of
array elements or dimen-
sions in an array I/O param-
eter for an instruction.
• The valid range was exceeded for the num-
ber of array elements or dimensions in an
array I/O parameter for an instruction.
page A-30
16#0417 Specified Task
Does Not Exist
The task specified for the
instruction does not exist.
• The specified task does not exist. page A-30
16#0418 Unallowed Task
Specification
An unallowed task was
specified for an instruction.
• The local task, the primary periodic task, or
a periodic task was specified.
page A-31
16#0419 Incorrect Data
Type
A data type that cannot be
used for an instruction is
specified for an input or in-
out variable.
• A data type that cannot be used for an
instruction is specified for an input or in-out
variable.
page A-31
16#041A Multi-execution of
Instructions
Multi-execution was speci-
fied for an instruction that
does not support it.
• Execution of an instruction that does not
support multi-execution of instructions was
specified more than once.
page A-31
16#0800 FINS Error An error occurred when a
FINS command was sent
or received.
• An error occurred when a FINS command
was sent or received.
page A-32
16#0801 FINS Port Already
in Use
The FINS port is being
used.
• The FINS port is being used. page A-32
16#0C00 Illegal Serial Com-
munications Mode
The Serial Communica-
tions Unit is not in the serial
communications mode
required to execute an
instruction.
• The serial communications port for the
Serial Communications Unit is not set to the
mode expected by the instruction.
page A-32
16#0C02 Port Setup Already
Busy
A Change Port Setup
instruction was executed
during execution of another
Change Port Setup instruc-
tion.
• A Change Port Setup instruction was exe-
cuted during execution of another Change
Port Setup instruction.
page A-33
16#1400 SD Memory Card
Access Failure
SD Memory Card access
failed when an instruction
was executed.
• An SD Memory Card is either not inserted
or is not inserted properly.
• The SD Memory Card is broken.
• The SD Memory Card slot is broken.
page A-33
16#1401 SD Memory Card
Write-protected
An attempt was made to
write to a write-protected
SD Memory Card when an
instruction was executed.
• An attempt was made to write to a write-pro-
tected SD Memory Card.
page A-33
Error code Name Meaning Assumed cause Reference
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