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CHAPTER6 FUNCTIONS
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6.17 Self-diagnostic Function
6 - 101
: Self-diagnostics is performed. : Self-diagnostics is not performed.
(To the next page)
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.
Handling
error
Voltage drop of
power supply for
redundant base
unit
SINGLE PS.
DOWN
• Always
Continue On On
*5 *5
Redundant
power supply
module failure
SINGLE PS.
ERROR
• Always
Continue On On
*5 *5
Module
verification
*1*2
UNIT VERIFY
ERR.
• Execution of
the END
instruction
Stop/
continue
Off/on
Flashi
ng/on
Base
assignment
error
BASE LAY
ERROR
• Power-on/reset Stop
Off
Flashi
ng
Intelligent
function module
assignment
error
SP.UNIT LAY
ERR.
• Power-on/reset
• Switching from
STOP to RUN
Stop
Off
Flashi
ng
Intelligent
program
execution
error
*1
SP.UNIT
ERROR
• Execution of
the FROM/TO
instructions
Stop
/
continue
Off/on
Flashi
ng/on
Intelligent
function module
version error
SP.UNIT
VER.ERR
• Power-on/reset Stop
Off
Flashi
ng
No parameter
MISSING
PARA.
• Power-on/reset
• Switching from
STOP to RUN
Stop
Off
Flashi
ng
Boot error BOOT ERROR
• Power-on/reset Stop
Off
Flashi
ng
Backup error
RESTORE
ERROR
• Power-on/reset Stop
Off
Flashi
ng
Memory card
operation error
*1
ICM.OPE.
ERROR
• Mounting/removal
of the memory
card
Stop/
continue
Off/on
Flashi
ng/on
File setting error
FILE SET
ERROR
• Power-on/reset
• Writing to
programmable
controller
Stop
Off
Flashi
ng
File access
error
*1
FILE OPE.
ERROR
• Execution of an
instruction
Stop
/
continue
Off/on
Flashi
ng/on
Instruction
execution
disabled
CANëT
EXE.PRG.
• Power-on/reset
• Switching from
STOP to RUN
Stop
Off
Flashi
ng
Parameter
error
Parameter
setting check
PARAMETER
ERROR
• Power-on/reset
• Switching from
STOP to RUN
• Writing to
programmable
controller
Stop
Off
Flashi
ng
Link parameter
error
LINK
PARA.ERROR
• Power-on/reset
• Switching from
STOP to RUN
Stop
Off
Flashi
ng