Mitsubishi MELSEC Q Series Programming Manual

12-58
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
(SD0)
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU
4000
[INSTRCT. CODE ERR]
• The program contains an instruction code that
cannot be decoded.
• An unusable instruction is included in the
program.
■Collateral information
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• At power-on/At reset/STOP→RUN/When
instruction executed
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.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QCPU
LCPU
4001
[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
• Individual information:-
■Diagnostic Timing
• At power-on/At reset/STOP→RUN/When
instruction executed
Q00J/Q00/Q01
*8
Qn(H)
QnPH
QnPRH
QnU
LCPU
4002
[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.
■Collateral information
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• At power-on/At reset/STOP→RUN/When
instruction executed
QCPU
LCPU
4003
[INSTRCT. CODE ERR]
The number of devices for the dedicated
instruction specified by the program is incorrect.
■Collateral information
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• At power-on/At reset/STOP→RUN/When
instruction executed
4004
[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
• Individual information:-
■Diagnostic Timing
• At power-on/At reset/STOP→RUN/When
instruction executed

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English