Mitsubishi Q2ACPU User Manual page 384

22. TROUBLE SHOOTING
Error
Error Contents and Cause
Code
[SFCP. OPE. ERROR]
Exceeds device range that can be designated by
the SFC program.
■Collateral informationmmon
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 informationmmon
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 informationmmon
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.
■Collateral informationmmon
4611
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• STOP RUN
[BLOCK EXE. ERROR]
Startup was executed at a block in the SFC
program that was already started up.
■Collateral informationmmon
4620
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• When instruction executed
[BLOCK EXE. ERROR]
Startup was attempted at a block that does not exist
in the SFC program.
■Collateral informationmmon
4621
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• When instruction executed
*1 CPU operation can be set in the parameters at error occurrence. (LED indication varies.)
Corrective Action
Read common information of the error using the
peripheral device, check error step corresponding
to its numerical value (program error location), and
correct the problem.
Read common information of the error using the
peripheral device, check error step corresponding
to its numerical value (program error location), and
correct the problem.
The program is automatically subjected to an initial
start.
Read common information of the error using the
peripheral device, check error step corresponding
to its numerical value (program error location), and
correct the problem.
• Read the common information of the error using
GX Developer, and check and correct the error
step corresponding to that value (program error
location).
• Turn ON if the special relay SM321 is OFF.
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LED Status Corresponding
CPU Status CPU
RUN:
Off/On
ERR.:
Flicker/On
CPU Status:
Stop/
*1
Continue
RUN:
On
ERR.:
On QnA
CPU Status:
Continue
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop