Mitsubishi Electric MELSEC iQ-R Series User Manual page 604

Error Error name
code
3E00H Operation circuit
error
3E20H Program
execution error
3E22H Program
execution error
36 ERROR CODES
602
36.4 List of Error Codes
Error details and cause
■CPU module
• An error has been detected in the
CPU module.
■Redundant function module
• An error has been detected in the
redundant function module.
• The entire program was executed
without executing the END instruction.
• The FB/FUN program did not
complete successfully.
Stop/ Action
continue
Stop ■CPU module
• Take measures to reduce noise.
• Check the mounting status of the
CPU module.
• Format the memory. Write all files
to the CPU module. 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.
■Redundant function module
• Reset the CPU module.
• If the error code is displayed again
even after taking an action, please
consult your local Mitsubishi
representative.
Stop • Take measures to reduce noise.
• Check the mounting status of the
CPU module.
• Format the memory. Write all files
to the CPU module. 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 • Take measures to reduce noise.
• Check the mounting status of the
CPU module.
• Format the memory. Write all files
to the CPU module. 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
Failure At power-on, at
information RESET
Failure At END
information instruction
execution
Failure At instruction
information execution