User`s manual
Error code list Troubleshooting
MELSEC System Q, Hardware 11 – 51
2411
FILE OPE. ERROR
– The file is one which cannot be specified by
the sequence program (such as comment
file).
– The specified program exists in the program
memory, but has not been registered in the
program setting of the Parameter dialog box.
This error may occur when the ECALL,
EFCALL, PSTOP, PSCAN or POFF instruction
is executed.
Collateral information
Common Information: File name/Drive name
Individual Information: Program error loca-
tion
Diagnostic Timing
When instruction executed
Read the individual information of the error
using GX (IEC) Developer, check to be sure that
the program corresponds to the numerical val-
ues there (program location), and correct.
OFF/ON Flicker/
ON
Stop/
Continue
(can be set
in the
parameters
at error
occur-
rence)
Qn(H)
QnPH
QnPRH
QnU
2412
FILE OPE. ERROR
The SFC program file is one that cannot be desi-
gnated by the sequence program.
Collateral information
Common Information: File name/Drive name
Individual Information: Program error loca-
tion
Diagnostic Timing
When instruction executed
Read the individual information of the error
using GX (IEC) Developer, check to be sure that
the program corresponds to the numerical val-
ues there (program location), and correct.
OFF/ON Flicker/
ON
Stop/
Continue
(can be set
in the
parameters
at error
occur-
rence)
Qn(H)
QnPH
QnPRH
QnU
2413
FILE OPE. ERROR
Check to ensure that the designated file has not
been write protected.
Collateral information
Common Information: File name/Drive name
Individual Information: Program error loca-
tion
Diagnostic Timing
When instruction executed
– Read the individual information of the error
using GX (IEC) Developer, check to be sure
that the program corresponds to the numeri-
cal values there (program location), and cor-
rect.
– Check to ensure that the designated file has
not been write protected.
OFF/ON Flicker/
ON
Stop/
Continue
(can be set
in the
parameters
at error
occur-
rence)
Qn(H)
QnPH
QnPRH
2500
CAN’T EXE. PRG.
– There is a program file that uses a device that
is out of the range set in the PLC parameter
device setting.
– After the PLC parameter setting is changed,
only the parameter is written into the PLC.
Collateral information
Common Information: File name/Drive name
Individual Information: —
Diagnostic Timing
At power ON/At reset/STOP
→
RUN
Read the common information of the error using
GX (IEC) Developer, check to be sure that the
parameter device allocation setting and the pro-
gram file device allocation correspond to the
numerical values there (file name), and correct if
necessary.
OFF Flicker Stop
)
CAN’T EXE. PRG.
After the index modification of the PLC parame-
ter is changed, only the parameter is written to
the PLC.
Collateral information
Common Information: File name/Drive name
Individual Information: —
Diagnostic Timing
At power ON/At reset/STOP
→
RUN
When the index modification of the PLC parame-
ter is changed, batch-write the parameter and
program file into the PLC.
OFF Flicker Stop QnU
Error
code
Error contents and cause Corrective action
LED status
CPU
status
Corre-
sponding
CPU
RUN ERR.
Tab. 11-4: Error code list (2000 to 2999) for PLC CPUs of MELSEC System Q