Mitsubishi Electric MELSEC iQ-R Series User Manual page 583

Error Error name Error details and cause
code
3101H Program error • The program contains a dedicated
SFC program instruction even
although it is not an SFC program.
3120H Program error • The CPU module does not support
the dedicated instruction executed.
3121H Program error • The number of devices used in the
dedicated instruction specified in the
program is incorrect.
3122H Program error • The function block or function
specified in the program does not
exist.
3140H END instruction • The END (FEND) instruction does not
error exist in the program.
Stop/ Action
continue
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.
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.
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.
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.
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.
Detailed Diagnostic
information timing
Error location At write, at
information power-on, at
RESET, at
STOP  RUN
state
Error location At power-on, at
information RESET, at
STOP  RUN
state, at
instruction
execution
Error location At instruction
information execution
Error location At instruction
information execution
Error location At power-on, at
information RESET, at
STOP  RUN
state
36 ERROR CODES
581
36.4 List of Error Codes
36