6 - 100
: Self-diagnostics is performed, : Self-diagnostics is not performed
(To the next page)
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.
Redun-
dant sys-
tem error
Both systems
file
consistency
error
Parameter-
valid drive
consistency
error
CPU MODE
DIFF.
• Power-on/reset
• Execution of the END
instruction
• Mounting of tracking
cable
Stop Off Flashing
Tracking data
communicati
on error
TRK.TRAN
S. ERR.
• Always Continue On On
Tracking
capacity
excess error
TRK.SIZE
ERROR
• Execution of the END
instruction
Continue On On
Tracking
cable error or
tracking
transfer
hardware
failure
TRK.CABL
E ERR.
• Power-on/reset Stop Off Flashing
Tracking
cable not
connected,
failure, or
tracking
transfer
hardware
failure
TRK.
DISCON-
NECT
• Always Continue On On
Tracking
transfer initial
error
TRK.INIT.
ERROR
• Power-on/reset Stop Off Flashing
System
switching
from standby
system to
control
system
*6
CONTROL
EXE.
• Always Continue On Off
System
switching
from control
system to
standby
system
*6
STANDBY • Always Continue On Off
System
switching
error
CAN'T
SWITCH
• System switching Continue On On
Standby
system not
started or
stop error
STANDBY
SYS.DOWN
• Always Continue On On
Control
system not
started or
stop error
CONTROL
SYS.DOWN
• Always Stop Off Flashing
Program
memory clear
PRG.MEM.
CLEAR
• Execution of the program
memory copy function
Stop Off Flashing
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