8 TROUBLESHOOTING
Error
Error
Code
Messages
*1
(SD0)
1101
1102
1103
1104
RAM ERROR
1105
1106
RAM ERROR
1107
RAM ERROR
1108
1110
TRK. CIR.
ERROR
1111
*1
Characters in parentheses ( ) indicate the special register numbers where individual information is being
:
stored.
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Common
Individual
Information
Information
(SD5 to 15)
(SD16 to 26)
----
----
----
----
----
----
----
----
----
----
LED Status
Operating
Statuses
RUN
ERROR
of CPU
Off
Flicker
Stop
Off
Flicker
Stop
Off
Flicker
Stop
Off
Flicker
Stop
Off
Flicker
Stop
MELSEC-Q
Diagnostic
Timing
At power ON/
At reset
STOP RUN/
When an END
instruction
executed.
At power ON/
At reset
At power ON/
At reset
8 - 43