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: Self-diagnostics is performed. : Self-diagnostics is not performed
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Table6.29 Self-diagnostics list (continued)
Diagnostics
Error message Diagnostic timing
CPU
module
status
LED status
Q00UJ
CPU
Q00U
CPU,
Q01U
CPU
Q02U
CPU
QnUD(H)
CPU
Built-in
Ethernet
port
QCPU
RUN ERR.
SFC parameter error
SFC
PARA.ERROR
• Switching from
STOP to RUN
• Writing to
programmable
controller
Stop
Off
Flashi
ng
Intelligent function module
parameter error
SP.PARA.
ERROR
• Power-on/reset Stop
Off
Flashi
ng
Password error
REMOTE
PASS.ERR
• Power-on/reset
• Switching from
STOP to RU
Stop
Off
Flashi
ng
Instruction code check
INSTRUCT.
CODE ERR
• Power-on/reset
• Switching from
STOP to RUN
• Execution of an
instruction
Stop
Off
Flashi
ng
No END instruction
MISSING END
INS.
• Power-on/reset
• Switching from
STOP to RUN
Stop
Off
Flashi
ng
Pointer setting error
CANëT SET(P)
• Power-on/reset
• Switching from
STOP to RUN
Stop
Off
Flashi
ng
CANëT SET(I)
• Power-on/reset
• Switching from
STOP to RUN
Stop
Off
Flashi
ng
Program
error
Operation
error
*1 *4
OPERATION
ERROR
• Execution of an
instruction
Stop/
continue
Off/on
Flashi
ng/on
FOR to NEXT
instructions
structure error
FOR NEXT
ERROR
• Execution of an
instruction
Stop
Off
Flashi
ng
CALL to RET
instructions
structure error
CANëT
EXECUTE(P)
• Execution of an
instruction
Stop
Off
Flashi
ng
Interrupt
program error
CANëT
EXECUTE(I)
• Execution of an
instruction
Stop
Off
Flashi
ng
Instruction
execution
disabled
INST. FORMAT
ERR.
• Execution of an
instruction
Stop
Off
Flashi
ng
Dedicated
instruction of
multiple CPU high
speed bus error
MULTI
COM.ERROR
• Execution of an
instruction
Stop
Off
Flashi
ng
SFC block
configuration
error
CANëT
SET(BL)
• Switching from
STOP to RUN
Stop
Off
Flashi
ng
SFC step
configuration
error
CANëT SET(S)
• Switching from
STOP to RUN
Stop
Off
Flashi
ng
SFC execution
error
SFC EXE.
ERROR
• Switching from
STOP to RUN
Stop
Off
Flashi
ng