Mitsubishi MELSEC Q Series Programming Manual page 990

Error
Code Error Contents and Cause
(SD0)
[SFCP. FORMAT ERR.]
The structure of the SFC program is illegal.
• In a reset step, the host step number was
specified as the destination step.
4506 ■Collateral information
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• When instruction executed
[SFCP. OPE. ERROR]
The SFC program contains data that cannot be
processed.
■Collateral information
4600
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• When instruction executed
[SFCP. OPE. ERROR]
Exceeds device range that can be designated by
the SFC program.
■Collateral information
4601
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• When instruction executed
[SFCP. OPE. ERROR]
The START instruction in an SFC program is
preceded by an END instruction.
■Collateral information
4602
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• When instruction executed
[SFCP. EXE. ERROR]
The active step information at presumptive start of
the SFC program is incorrect.
■Collateral information
4610
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• STOP→RUN
[SFCP. EXE. ERROR]
Key-switch was reset during RUN when
presumptive start was designated for SFC
program.
4611 ■Collateral information
• Common information: Program error location
• Individual information:-
■Diagnostic Timing
• STOP→RUN
12-70
Corrective Action
Read common information of the error using the
programming tool, check error step
corresponding to its numerical value (program
error location), and correct the problem.
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.
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.
The program is automatically subjected to an
initial start.
LED Status Corresponding
CPU Status CPU
RUN:
Off
ERR.:
Q00J/Q00/Q01
Flicker
QnU
LCPU
CPU Status:
Stop
RUN:
Off/On
ERR.:
Qn(H)
Flicker/On
QnPH
QnPRH
CPU Status:
Stop/
*1
Continue
RUN:
Off/On
ERR.:
Qn(H)
Flicker/On
QnPH
QnPRH
CPU Status:
Stop/
*1
Continue
RUN:
On
ERR.: Qn(H)
On QnPH
QnPRH
CPU Status:
Continue
*8