Mitsubishi QJ71LP21 Reference Manual page 356

8 TROUBLESHOOTING
Error
Error
Code
Messages
*1
(SD0)
STANDBY
6300
*4
SYS. DOWN
CONTROL
6310
*7
SYS. DOWN
*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.
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Common Individual
Information Information
(SD5 to 15) (SD16 to 26)
---- ----
---- ----
LED Status Operating
Statuses
RUN ERROR
of CPU
On On Continue
Off Flicker Stop
MELSEC-Q
Diagnostic
Timing
Always
Always
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