Mitsubishi QJ71LP21 Reference Manual page 284

8 TROUBLESHOOTING
Error
Error
Code
Messages
*1
(SD0)
SP. UNIT
2112
ERROR
SP. UNIT
2113
ERROR
*1 : Characters in parentheses ( ) indicate the special register numbers where individual information is being
stored.
*2 : The CPU module operation status when an error occurs can be set at the parameters. (LED display will
change accordingly.)
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Common Individual
Information Information
(SD5 to 15) (SD16 to 26)
Program error
Unit No.
location
Program error
FFFF (fixed)
H
location
LED Status Operating
Statuses
RUN ERROR
of CPU
Off/ Flicker/ Stop/
On On Continue
Off/
Stop/
Flicker/
Continue
On
On
MELSEC-Q
Diagnostic
Timing
When
instruction
executed/
*2
STOP
RUN
When
instruction
executed/
*2
STOP
RUN
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