Mitsubishi Electric MELSEC iQ-R Series User Manual page 573

Error Error name Error details and cause
code
2320H Remote • The start I/O number of the remote
password password target module is set to other
setting error than 0H to 0FF0H.
• There is a problem on the slot
specified by the start I/O number of
the remote password setting.
(1) No module is mounted.
(2) The mounted intelligent function
module does not support the remote
password setting.
2321H Remote • In a multiple CPU system, the module
password controlled by another CPU module is
setting error specified by the start I/O number of
the remote password setting.
2400H Module • The module information at power-on
verification error differs from the information of
modules actually mounted.
• The I/O module or intelligent function
module is not mounted properly or
was removed during operation.
2401H Module • A CPU module, I/O module, or
verification error intelligent function module was
mounted on the base unit during
operation.
2420H Fuse blown • The output module with a blown fuse
error has been detected.
Stop/ Action
continue
Stop • Set the start I/O number of the
remote password target module
within the range 0H to 0FF0H.
• On the specified slot, mount an
intelligent function module that
supports the remote password
setting.
Stop • Check and correct the remote
password setting.
Stop/ • Check the detailed information
continue (system configuration information)
of the error by executing module
diagnostics using the engineering
tool and check the module
corresponding to the displayed
slot number.
• Take measures to reduce noise.
• 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
error module. Please consult your
local Mitsubishi representative.
Stop/ • Check the detailed information
continue (system configuration information)
of the error by executing module
diagnostics using the engineering
tool and check the module
corresponding to the displayed
slot number.
• Do not mount a CPU module, I/O
module, nor intelligent function
module during operation.
• Take measures to reduce noise.
• 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
error module. Please consult your
local Mitsubishi representative.
Stop/ • Check the FUSE LED of each
continue output module, and replace the
one with the FUSE LED on.
• Check the detailed information
(system configuration information)
of the error by executing module
diagnostics using the engineering
tool, and replace the module
corresponding to the displayed
slot number.
Detailed Diagnostic
information timing
System At power-on, at
configuration RESET, at
STOP  RUN
information
state
System At power-on, at
configuration RESET, at
STOP  RUN
information
state
System Always
configuration
information
System Always
configuration
information
System Always
configuration
information
36 ERROR CODES
571
36.4 List of Error Codes
36