104
4200
No NEXT instruction was executed 
following the execution of a FOR 
instruction.
Alternatively, there are fewer NEXT 
instructions than FOR instructions.
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.
QnA
4201
A NEXT instruction was executed 
although no FOR instruction has been 
executed.
Alternatively, there are more NEXT 
instructions than FOR instructions.
QnA
4202
More than 16 nesting levels are 
programmed.
Keep nesting levels at 16 or under. QnA
4203
A BREAK instruction was executed 
although no FOR instruction has been 
executed prior to that.
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.
QnA
4210
The CALL instruction is executed, but 
there is no subroutine at the specified 
pointer.
QnA
4211
There was no RET instruction in the 
executed subroutine program.
QnA
4212
The RET instruction exists before the 
FEND instruction of the main routine 
program.
QnA
4213
More than 16 nesting levels are 
programmed.
Keep nesting levels at 16 or under. QnA
4220
Though an interrupt input occurred, the 
corresponding interrupt pointer does not 
exist.
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.
QnA
4221
An IRET instruction does not exist in the 
executed interrupt program.
QnA
4223
The IRET instruction exists before the 
FEND instruction of the main routine 
program.
QnA
4230
The number of CHK and CHKEND 
instructions is not equal.
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.
QnA
4231
The number of IX and IXEND 
instructions is not equal.
QnA
4235
The configuration of the check 
conditions for the CHK instruction is 
incorrect.
Alternatively, a CHK instruction has 
been used in a low speed execution 
type program.
QnA
Error 
Code
(SD0)
Error Contents and Cause Corrective Action
Corresponding 
CPU