36 ERROR CODES
36.4 List of Error Codes
581
36
3101H Program error • The program contains a dedicated
SFC program instruction even
although it is not an SFC program.
Stop • Check the detailed information
(error location information) of the
error by executing module
diagnostics using the engineering
tool, display the error program
(step) by clicking the [Error Jump]
button, and correct the program.
• Take measures to reduce noise.
• Write the sequence program(s)
and FB program(s) to the CPU
module again. Then, reset the
CPU module and run it again. If
the same error code is displayed
again, the possible cause is a
hardware failure of the CPU
module. Please consult your local
Mitsubishi representative.
Error location
information
At write, at
power-on, at
RESET, at
STOP RUN
state
3120H Program error • The CPU module does not support
the dedicated instruction executed.
Stop • Check the detailed information
(error location information) of the
error by executing module
diagnostics using the engineering
tool, display the error program
(step) by clicking the [Error Jump]
button, and correct the program.
• Check the firmware version of the
CPU module and use a supported
product.
Error location
information
At power-on, at
RESET, at
STOP RUN
state, at
instruction
execution
3121H Program error • The number of devices used in the
dedicated instruction specified in the
program is incorrect.
Stop • Check the detailed information
(error location information) of the
error by executing module
diagnostics using the engineering
tool, display the error program
(step) by clicking the [Error Jump]
button, and correct the program.
Error location
information
At instruction
execution
3122H Program error • The function block or function
specified in the program does not
exist.
Stop • Check the detailed information
(error location information) of the
error by executing module
diagnostics using the engineering
tool, display the error program
(step) by clicking the [Error Jump]
button, and correct the program.
• Take measures to reduce noise.
• Write the sequence program(s)
and FB program(s) to the CPU
module again. Then, reset the
CPU module and run it again. If
the same error code is displayed
again, the possible cause is a
hardware failure of the CPU
module. Please consult your local
Mitsubishi representative.
Error location
information
At instruction
execution
3140H END instruction
error
• The END (FEND) instruction does not
exist in the program.
Stop • Check the detailed information
(error location information) of the
error by executing module
diagnostics using the engineering
tool, display the error program
(step) by clicking the [Error Jump]
button, and correct the program.
• Take measures to reduce noise.
• Write the sequence program(s)
and FB program(s) to the CPU
module again. Then, reset the
CPU module and run it again. If
the same error code is displayed
again, the possible cause is a
hardware failure of the CPU
module. Please consult your local
Mitsubishi representative.
Error location
information
At power-on, at
RESET, at
STOP RUN
state
Error
code
Error name Error details and cause Stop/
continue
Action Detailed
information
Diagnostic
timing