Mitsubishi L02CPU User Manual page 151

Diagnostics
*1 *2
Operation error
FOR to NEXT
instructions structure
error
CALL to RET
instructions structure
error
Interrupt program error
Instruction execution
disabled
Program
error SFC block
configuration error
SFC step configuration
error
SFC execution error
SFC syntax error
SFC block execution
error
SFC step execution
error
Watchdog error
supervision
CPU error
Program timeout
File diagnostic check
Annunciator check
*1 The operating status can be changed to "Continue" with the parameter setting ("Stop" is set by default.)
*2 This error includes an operation error when device range check is made at index modification.
Error
Diagnostic timing
message
OPERATION
• Instruction execution
ERROR
FOR NEXT
• Instruction execution
ERROR
CAN'T
• Instruction execution
EXECUTE(P)
CAN'T
• Instruction execution
EXECUTE(I)
INST. FORMAT
• Instruction execution
ERR.
CAN'T SET(BL) • Switching from STOP to RUN
CAN'T SET(S) • Switching from STOP to RUN
SFC
• Switching from STOP to RUN
EXE.ERROR
SFCP. FORMAT
• Switching from STOP to RUN
ERR.
BLOCK
• Instruction execution
EXE.ERROR
STEP
• Instruction execution
EXE.ERROR
WDT ERROR • Always
PRG.TIME OVER • Always
• Power-on/reset
INCORRECT • Switching from STOP to RUN
FILE • Writing to programmable
controller
F**** • Instruction execution
CHAPTER 3 CPU MODULE FUNCTIONS
: Self-diagnostics is performed. ×: Self-diagnostics is not performed.
CPU LED status
module
RUN
status
Stop/
Off/On
Continue
Stop Off
Stop Off
Stop Off
Stop Off
Stop Off
Stop Off
Stop Off
Stop Off
Stop Off
Stop Off
Stop Off
Continue On
Stop Off
Continue On
L26CPU-
L02CPU
BT
ERR.
Flashing/
On
Flashing
Flashing
Flashing
Flashing
Flashing
Flashing
Flashing
Flashing
Flashing
Flashing
Flashing
On
Off
USER
LED
On
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