36 ERROR CODES
36.4 List of Error Codes
601
36
3C20H Memory error • An error has been detected in the
memory.
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.
Failure
information
At power-on, at
RESET
3C21H At END
instruction
execution, at
power-on, at
RESET
3C22H
3C2FH ■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
• Execute a module communication
test. If the same error code is
displayed again, the possible
cause is a hardware failure of the
redundant function module.
Please consult your local
Mitsubishi representative.
Always
3C30H Memory error • An error has been detected in the
memory.
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.
Failure
information
At instruction
execution
3C31H Memory error • An error has been detected in the
memory.
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.
Failure
information
Always
3C32H Memory error • An error has been detected in the
memory.
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.
Failure
information
Always
Error
code
Error name Error details and cause Stop/
continue
Action Detailed
information
Diagnostic
timing