36 ERROR CODES
36.4 List of Error Codes
571
36
2320H Remote
password
setting error
• The start I/O number of the remote
password target module is set to other
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.
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.
System
configuration
information
At power-on, at
RESET, at
STOP RUN
state
2321H Remote
password
setting error
• In a multiple CPU system, the module
controlled by another CPU module is
specified by the start I/O number of
the remote password setting.
Stop • Check and correct the remote
password setting.
System
configuration
information
At power-on, at
RESET, at
STOP RUN
state
2400H Module
verification error
• The module information at power-on
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.
Stop/
continue
• Check the detailed information
(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.
System
configuration
information
Always
2401H Module
verification error
• A CPU module, I/O module, or
intelligent function module was
mounted on the base unit during
operation.
Stop/
continue
• Check the detailed information
(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.
System
configuration
information
Always
2420H Fuse blown
error
• The output module with a blown fuse
has been detected.
Stop/
continue
• Check the FUSE LED of each
output module, and replace the
o
ne
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.
System
configuration
information
Always
Error
code
Error name Error details and cause Stop/
continue
Action Detailed
information
Diagnostic
timing