12-58
4220
[CAN'T EXECUTE(I)]
Though an interrupt input occurred, the
corresponding interrupt pointer does not exist.
■Collateral information
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• When instruction executed
Read the common information of the error using
the peripheral device, check error step
corresponding to its numerical value (program error
location), and correct the problem.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QCPU
4221
[CAN'T EXECUTE(I)]
An IRET instruction does not exist in the executed
interrupt program.
■Collateral information
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• When instruction executed
4223
[CAN'T EXECUTE(I)]
The IRET instruction exists before the FEND
instruction of the main routine program.
■Collateral information
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• When instruction executed
[CAN'T EXECUTE(I)]
• The IRET instruction was executed in the fixed
scan execution type program.
• The STOP instruction was executed in the fixed
scan execution type program.
■Collateral information
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• When instruction executed
QnU
4225
[CAN'T EXECUTE(I)]
The interrupt pointer for the module mounted on
the extension base unit is set in the redundant
system.
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• At power-ON/At reset
Delete the setting of interrupt pointer for the module
mounted on the extension base unit, since it cannot
be used.
QnPRH
*6
4230
[INST. FORMAT ERR.]
The number of CHK and CHKEND instructions is
not equal.
■Collateral information
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• When instruction executed
Read the common information of the error using
the peripheral device, check error step
corresponding to its numerical value (program error
location), and correct the problem.
Qn(H)
QnPH
4231
[INST. FORMAT ERR.]
The number of IX and IXEND instructions is not
equal.
■Collateral information
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• When instruction executed
QCPU
Error
Code
(SD0)
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU
*6 The module whose first 5 digits of serial No. is "09012" or later.