Mitsubishi 00JCPU - Page 279

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CHAPTER6 FUNCTIONS
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6.17 Self-diagnostic Function
: Self-diagnostics is performed, : Self-diagnostics is not performed
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Table6.27 Self-diagnostics list (continued)
Diagnostics
Error
message
Diagnostic timing
CPU
module
status
LED status Basic
model
QCPU
High
Performance
model QCPU
Process
CPU
Redundant
CPU
RUN ERR.
Program
error
SFC step
configuration
error
CAN'T
SET(S)
• Switching from STOP to
RUN
Stop Off Flashing
SFC
execution
error
SFC EXE.
ERROR
• Switching from STOP to
RUN
Stop Off Flashing
SFC syntax
error
SFCP.
FORMAT
ERR.
• Switching from STOP to
RUN
Stop Off Flashing
SFC
operation
check error
*1
SFCP.OPE.
ERROR
• Execution of an
instruction
Stop/
Continue
Off/
On
Flashing/
On
SFC program
execution
error
SFCP.EXE.
ERROR
• Switching from STOP to
RUN
Continue On On
SFC block
execution
error
BLOCK
EXE.ERRO
R
• Execution of an
instruction
Stop Off Flashing
SFC step
execution
error
STEP
EXE.ERRO
R
• Execution of an
instruction
Stop Off Flashing
CPU error
Watchdog
error
supervision
WDT
ERROR
• Always Stop Off Flashing
Program
time-out
PRG.TIME
OVER
• Always Continue On On
Redun-
dant sys-
tem error
Program,
parameter, or
DIP switch
mismatch
FILE DIFF.
• Always
• Power-on/reset
• Mounting of tracking
cable
• Backup mode change
• Online change
• System switching
• Switching the both CPU
modules to the RUN
status
Stop Off Flashing
Operating
status or key
switch
mismatch
OPE.MODE
DIFF.
• Power-on/reset
• Always
Continue
/stop
Off/
on
Flashing
/on
Module
mounting
configuration
mismatch
UNIT LAY.
DIFF.
• Always
• Power-on/reset
• Mounting of tracking
cable
• Operation mode change
Stop Off Flashing
Memory card
mounting
status
mismatch
CARD
TYPE DIFF.
• Power-on/reset Stop Off Flashing
Function
disable
during current
mode
CAN'T EXE.
MODE
• Always Continue On On