Mitsubishi QJ71LP21 Reference Manual page 320

8 TROUBLESHOOTING
Error
Error
Code
Messages
*1
(SD0)
4000
4001
INSTRCT.
CODE ERR
4002
4003
4004
MISSING
4010
END INS.
4020
CAN'T SET(P)
4021
4030 CAN'T SET(I)
*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)
Program error
----
location
Program error
----
location
Program error
----
location
Program error
----
location
LED Status Operating
Statuses
RUN ERROR
of CPU
Off Flicker Stop
Off Flicker Stop
Off Flicker Stop
Off Flicker Stop
MELSEC-Q
Diagnostic
Timing
At power ON/
At reset/
STOP RUN
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