Mitsubishi Electric QJ71LP21 Reference Manual page 280

8 TROUBLESHOOTING
Error Code
Error Messages
*1
(SD0)
4107
4108
4109
4111
OPERATION
4112
ERROR
4120
4121
*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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Table8.2 Error code
Common Information Individual Information
(SD5 to 15) (SD16 to 26)
Program error location
LED Status
RUN ERROR
Off/ Flicker/
----
On On
MELSEC-Q
Operating
Statuses of Diagnostic Timing
CPU
When instruction
*2
Stop/Continue
executed.
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