Mitsubishi Electric MELSEC iQ-R C R12CCPU-V, User Manual

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188
APPX
Appendix 1 Error Code List
2401H Module
verification
error A CPU module, I/O module, or intelligent
function module was mounted on the base
unit during operation. • Check the detailed information (system
configuration information) of the error by
performing module diagnostics using CW
Configurator, and check the module
corresponding to the displayed number (slot
number).
• Do not mount a CPU module, I/O module, nor
intelligent function module on an empty slot during
operation .
• Take measures to reduce noise.
• Reset the CPU module. If the same error code is
displayed again, the possible cause is a hardware
failure of the module where the error was
detected. Please consult your local Mitsubishi
representative.
System
configuratio
n
information Always
2420H Fuse blown
error The output module with a blown fuse has
been detected. • Check the FUSE LED of the output module, and
replace the one with the LED ON.
• Check the detailed information (system
configuration information) of the error by
performing module diagnostics using CW
Configurator, and replace the output module
corresponding to the displayed number (slot
number).
System
configuratio
n
information Always
2440H Module major
error • In a multiple CPU system, the control
CPU setting in the system parameters is
different from that of another CPU.
• An error was detected in the I/O module
or intelligent function module during the
initial processing.
• Review the system parameters in the CPU No.2 or
later and match the number with those of the
smallest numbered CPU module.
• Take measures to reduce noise.
• Reset the CPU module. If the same error code is
displayed again, the possible cause is a hardware
failure of the module where the error was
detected. Please consult your local Mitsubishi
representative.
System
configuratio
n
information At power
ON or
RESET
2441H Module major
error An error was detected in the intelligent
function module when a function was
executed. • Take measures to reduce noise.
• Reset the CPU module. If the same error code is
displayed again, the possible cause is a hardware
failure of the module where the error was
detected. Please consult your local Mitsubishi
representative.
 
2442H Module major
error An error was detected in the intelligent
function module when a function was
executed. • Take measures to reduce noise.
• Reset the CPU module. If the same error code is
displayed again, the possible cause is a hardware
failure of the module where the error was
detected. Please consult your local Mitsubishi
representative.

At module
access
2443H Module major
error An error was detected in the I/O module or
intelligent function module. • Take measures to reduce noise.
• Reset the CPU module. If the same error code is
displayed again, the possible cause is a hardware
failure of the module where the error was
detected. Please consult your local Mitsubishi
representative.
System
configuratio
n
information At module
access
2450H Module major
error • A major error was notified from an
intelligent function module.
• The I/O module or intelligent function
module is not mounted properly or was
removed during operation.
• Take measures to reduce noise.
• Check the connection status of the extension
cable.
• Check the detailed information (system
configuration information) of the error by
performing module diagnostics using CW
Configurator, and check the module
corresponding to the displayed number (slot
number).
• Reset the CPU module. If the same error code is
displayed again, the possible cause is a hardware
failure of the module where the error was
detected. Please consult your local Mitsubishi
representative.
System
configuratio
n
information Always
Error
code Error name Error details and cause Corrective action Detailed
informati
on Diagnosti
c timing