Mitsubishi Q2ACPU User Manual page 382

22. TROUBLE SHOOTING
Error
Error Contents and Cause
Code
[EXTEND INST. ERR.]
The designation of an AD57/AD58 control
instruction was wrong.
■Collateral informationmmon
4301
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• When instruction executed
[SFCP. CODE ERROR]
No SFCP or SFCPEND instruction in SFC
program.
■Collateral informationmmon
4400
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• STOP RUN
[CAN'T SET(BL)]
The block number designated by the SFC program
exceeds the range.
■Collateral informationmmon
4410
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• STOP RUN
[CAN'T SET(BL)]
Block number designations overlap in SFC
program.
■Collateral informationmmon
4411
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• STOP RUN
[CAN'T SET(S)]
A step number designated in an SFC program
exceeds the range.
■Collateral informationmmon
4420
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• STOP RUN
[CAN'T SET(S)]
Total number of steps in all SFC programs exceed
the maximum.
■Collateral informationmmon
4421
• Common Information:Program error location
• Individual Information:–
■Diagnostic Timing
• STOP RUN
[CAN'T SET(S)]
Step number designations overlap in SFC program.
■Collateral informationmmon
• Common Information:Program error location
4422
• Individual Information:–
■Diagnostic Timing
• STOP RUN
*1 CPU operation can be set in the parameters at error occurrence. (LED indication varies.)
Corrective Action
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.
Write the program to the CPU module again using
GX Developer.
22 - 37
LED Status Corresponding
CPU Status CPU
RUN:
Off/On
ERR.:
Flicker/On
QnA
CPU Status:
Stop/
*1
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