Basic Hardware and Function
303
10. Troubleshooting
Error message and related information
Special
Meaning and countermeasures
Event
Info 1
Info 2
Info 3
device
Operand error
Program
type -
block No.
Address
in the
block
A register/device which is not supported by
the T1/T1S is programmed. (Error down)
Correct the program.
The timer or counter register is duplicated in
the program. (Error down)
Correct the program.
The subroutine number programmed with
CALL or SUBR instruction is out of the range.
(Error down)
T1 ...... 0 to 15
T1S .... 0 to 255
Correct the program.
Index modification is programmed for
instructions in which the index modification is
not allowed. (Error down)
Correct the program.
Pair inst error
Program
type -
block No.
Address
in the
block
The combination is illegal for MCS-MCR,
JCS-JCR or FOR-NEXT instructions. (Error
down)
Correct the program.
A MCS-MCR is programmed inside other
MCS-MCR segment. (Error down )
Correct the program.
A JCS-JCR is programmed inside other
JCS-JCR segment. (Error down )
Correct the program.
Peripheral LSI err
Error
code
S004
S016
CPU hardware error has been detected in the
power-up initialization. (Error down and
programming tool cannot be connected)
Replace the unit if the error remains after
power OFF and ON again.
Program BCC error
Illegal
BCC
S006
S030
BCC error has been detected in the user
program in the RAM. (Error down)
If the error remains after power OFF and ON
again, reload the program and execute
EEPROM write operation.
RAM check error
Error
address
Error data Test data
S004
S012
In the power-up initialization, an error has
detected by RAM read/write checking. (Error
down)
Replace the unit if the error remains after
power OFF and ON again.
Scan time over
Scan time
S006
S031
The scan time has exceeded 200 ms. (Error
down)
Correct the program to reduce the scan time
or use WDT instruction to extend the check
time.
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