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MELSEC-Q
11 TROUBLESHOOTING
Error Code List (Continued)
LED Status
Error Code
(SD0)
1
Error Messages
Common
Information
(SD5 to 15)
1
Individual
Information
(SD16 to 26) 1
RUN ERROR
Operating
Statuses of
CPU
Diagnostic Timing
4202
4203
FOR NEXT ERROR Program error location ——— Off Flicker Stop When instruction is executed
4210
4211
4212
4213
CAN'T EXECUTE (P) Program error location ——— Off Flicker Stop When instruction is executed
4220
4221
4223
CAN'T EXECUTE (I) Program error location ——— Off Flicker Stop When instruction is executed
4230
4231
4235
INST. FORMAT ERR. Program error location ——— Off Flicker Stop When instruction is executed
4300
4301
EXTEND INST. ERR. Program error location ——— Off/On Flicker/On
Stop/
continue
2
When instruction is executed
4400 SFCP. CODE ERROR Program error location ——— Off Flicker Stop STOP RUN
4410
4411
CAN'T SET (BL) Program error location ——— Off Flicker Stop STOP
RUN
4420
4421
4422
CAN'T SET (S) Program error location ——— Off Flicker Stop STOP
RUN
4500
4501
4502
4503
4504
SFCP. FORMAT ERR. Program error location ——— Off Flicker Stop STOP
RUN
4600
4601
4602
SFCP. OPE. ERROR Program error location ——— Off/On Flicker/On
Stop/
Continue
2
When instruction is executed
4610
4611
SFCP. EXE. ERROR Program error location ——— On On Continue STOP
RUN
4620
4621
BLOCK EXE. ERROR Program error location ——— Off Flicker Stop When instruction is executed
4630
4631
4632
4633
STEP EXE. ERROR Program error location ——— Off Flicker Stop When instruction is executed
5000
5001
WDT ERROR Time (value set)
Time (value actually
measured)
Off Flicker Stop Always
5010
5011
PRG. TIME OVER Time (value set)
Time (value actually
measured)
On On Continue Always
6000
PRG. VERIFY
ERR. 5
File name ——— off Flicker Stop Always
6010
MODE VERIFY
ERR. 5
——— ——— on on Continue Always
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.)
5 Can only be detected in the standby system of a redundant system.