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22. TROUBLE SHOOTING
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.
â– Collateral informationmmon
• Common Information:File name/Drive name
• Individual Information:–
â– Diagnostic Timing
• At power ON/At reset
• Read the common information of the error using
the peripheral device, check to be sure that the
parameter device allocation setting and the
program file device allocation correspond to the
numerical values there (file name), and correct if
necessary.
• If PLC parameter device setting is changed,
batch-write the parameter and program file into
the PLC.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QnA
2501
[CAN'T EXE. PRG.]
There are multiple program files although "none"
has been set at the PLC parameter program
settings.
â– Collateral informationmmon
• Common Information:File name/Drive name
• Individual Information:–
â– Diagnostic Timing
• At power ON/At reset
Edit the PLC parameter program setting to "yes".
Alternatively, delete unneeded programs.
2502
[CAN'T EXE. PRG.]
The program file is incorrect.
Alternatively, the file contents are not those of a
sequence program.
â– Collateral informationmmon
• Common Information:File name/Drive name
• Individual Information:–
â– Diagnostic Timing
• At power ON/At reset
Check whether the program version
is .QPG, and check the file contents to be
sure they are for a sequence program.
2503
[CAN'T EXE. PRG.]
There are no program files at all.
â– Collateral informationmmon
• Common Information:File name/Drive name
• Individual Information:–
â– Diagnostic Timing
• At power ON/At reset
• Check program configuration.
• Check parameters and program configuration.
2504
[CAN'T EXE. PRG.]
Two or more SFC normal programs or control
programs have been designated.
â– Collateral informationmmon
• Common Information:File name/Drive name
• Individual Information:–
â– Diagnostic Timing
• At power ON/At reset
Error
Code
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU