Mitsubishi Electric QJ71LP21 Reference Manual page 286

8 TROUBLESHOOTING
Error Code
Error Messages
*1
(SD0)
4600
SFCP. OPE.
4601
ERROR
4602
4610
SFCP. EXE. ERROR
4611
4620
BLOCK EXE.
ERROR
4621
4630
4631
STEP EXE. ERROR
4632
4633
5000
WDT ERROR
5001
*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
Program error location
Program error location
Program error location
Time (value actually
Time (value set)
measured)
LED Status
RUN ERROR
Off/ Flicker/
----
On On
---- On On
---- Off Flicker
---- Off Flicker
Off Flicker
MELSEC-Q
Operating
Statuses of Diagnostic Timing
CPU
When instruction
*2
Stop/Continue
executed.
Continue STOP RUN
When instruction
Stop
executed.
When instruction
Stop
executed.
Stop Always
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