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T1/T1S User’s Manual
10. Troubleshooting
Error message and related information
Special
Meaning and countermeasures
Event
Info 1
Info 2
Info 3
device
Illegal inst
Program
type -
block No.
Address
in the
block
S006
S030
S060
An illegal instruction has been detected in the
program. (Error down)
Reload the program and execute EEPROM
write operation again.
Illegal sys intrpt
Interrupt
address 1
Interrupt
address 2
Unregistered interrupt has occurred. (No
error down)
If the error occurs frequently, replace the unit.
Invalid Fun inst
Program
type -
block No.
Address
in the
block
Fun No.
A function instruction which is not supported
by the T1/T1S is programmed. (Error down)
Correct the program.
Invalid program
Program
type -
block No.
A basic ladder instruction which is not
supported by the T1/T1S is programmed.
(Error down)
Correct the program.
SUBR instruction is not programmed before
RET instruction. (Error down)
Correct the program.
An abnormality is detected in the program
management information. (Error down)
Reload the program and execute EEPROM
write operation again.
Loop nesting error
Program
type -
block No.
Address
in the
block
A FOR-NEXT loop is programmed inside
other FOR-NEXT loop. (Error down)
Correct the program.
Memory full
The program exceeds the executable
memory capacity. (Error down)
Reduce the program steps.
No END/IRET error
Program
type -
block No.
Address
in the
block
The END instruction is not programmed in
the main program or in the sub-program.
(Error down)
Correct the program.
The IRET instruction is not programmed in
the interrupt program. (Error down)
Correct the program.
No RET error
Program
type -
block No.
Address
in the
block
Sub-r No.
The RET instruction is not programmed in the
subroutine program. (Error down)
Correct the program.
No sub-r entry
Program
type -
block No.
Address
in the
block
Sub-r No.
The subroutine corresponding to CALL
instruction is not programmed. (Error down)
Correct the program.
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