Error Code List (4000 To 4999) - Mitsubishi MELSEC Q Series Programming Manual

12.1.6

Error code list (4000 to 4999)

The following shows the error messages from the error code 4000 to 4999, the contents and
causes of the errors, and the corrective actions for the errors.
Error
Code Error Contents and Cause
(SD0)
[INSTRCT. CODE ERR]
• The program contains an instruction code that
cannot be decoded.
• An unusable instruction is included in the
program.
4000 ■Collateral information
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• At power-on/At reset/STOP→RUN/When
instruction executed
[INSTRCT. CODE ERR]
The program contains a dedicated instruction for
SFC although it is not an SFC program.
■Collateral information
• Common information: Program error location
4001
• Individual information:-
■Diagnostic Timing
• At power-on/At reset/STOP→RUN/When
instruction executed
[INSTRCT. CODE ERR]
• The name of dedicated instruction specified by
the program is incorrect.
• The dedicated instruction specified by the
program cannot be executed by the specified
module.
4002
■Collateral information
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• At power-on/At reset/STOP→RUN/When
instruction executed
[INSTRCT. CODE ERR]
The number of devices for the dedicated
instruction specified by the program is incorrect.
■Collateral information
• Common information: Program error location
4003
• Individual information:-
■Diagnostic Timing
• At power-on/At reset/STOP→RUN/When
instruction executed
[INSTRCT. CODE ERR]
The device which cannot be used by the dedicated
instruction specified by the program is specified.
■CollateralCollateral information
• Common information: Program error location
4004
• Individual information:-
■Diagnostic Timing
• At power-on/At reset/STOP→RUN/When
instruction executed
12-58
Corrective Action
Read common information of the error using the
programming tool to identify the numeric value
(program error location). Check the error step
corresponding to the value, and correct it as
necessary.
LED Status Corresponding
CPU Status CPU
QCPU
LCPU
Q00J/Q00/Q01
Qn(H)
QnPH
QnPRH
QnU
LCPU
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QCPU
LCPU
*8