Mitsubishi QJ71BR11 - Page 358

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MELSEC-Q
8 TROUBLESHOOTING
*1 : Characters in parentheses ( ) indicate the special register numbers where individual information is being
stored.
*4 : This can only be detected in the redundant system control system.
*7 : This can only be detected in the redundant system standby system.
Error
Code
(SD0)
*1
Error
Messages
Common
Information
(SD5 to 15)
Individual
Information
(SD16 to 26)
LED Status Operating
Statuses
of CPU
Diagnostic
Timing
RUN ERROR
6311
CONTROL
SYS. DOWN
*7
---- ---- Off Flicker Stop
At power ON/
At reset
6312
6400
PRG. MEM.
CLEAR
---- ---- Off Flicker Stop
At execution
of the memory
copy from
control system
to standby
system
6410
MEM.COPY
EXE
*4
---- ---- On On Continue
At execution
of the function
of copying
memory from
control system
to standby
system
6500
TRK. PARA.
ERROR
File name/
Drive name
Parameter
number
Off Flicker Stop
At power ON/
At reset
6501
File name/
Drive name
Parameter
number
Off Flicker Stop
At power ON/
At reset
7000
MULTI CPU
DOWN
Unit No. ---- Off Flicker Stop
Always
At power ON/
At reset