Mitsubishi Electric MELSEC iQ-R Series - Page 578

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36 ERROR CODES
36.4 List of Error Codes
2520H Invalid interrupt • Even though an interrupt was
requested, there is no interrupt factor.
Stop • 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
CPU module, base unit, or module
(I/O module or intelligent function
module) connected. Please
consult your local Mitsubishi
representative.
System
configuration
information
At interrupt
occurrence
2521H 
2522H Invalid interrupt • An interrupt was requested from the
module with no interrupt pointer
setting.
Stop • Check and correct the interrupt
pointer setting in the module
parameters.
• Take measures so that no
interrupt is requested from the
module with no interrupt pointer
setting.
• Check and correct the interrupt
setting in the buffer memory of the
intelligent function module.
• Correct the BASIC program
executed in the QD51.
System
configuration
information
At interrupt
occurrence
2610H Inter-module
synchronization
signal error
• An execution interval error of the
synchronization interrupt program has
been detected.
• An inter-module synchronization error
has been detected.
Stop/
continue
• Check the module set as the inter-
module synchronous master.
• Correct the inter-module
synchronous master settings.
• 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
CPU module, base unit, extension
cable, or module (I/O module or
intelligent function module)
connected. Please consult your
local Mitsubishi representative.
 Always
2611H • An inter-module synchronization error
has been detected.
• An error of the module set as the
inter-module synchronous master has
been detected.
Stop System
configuration
information
At power-on, at
RESET, at
END
instruction
execution
2630H Multiple CPU
synchronization
signal error
• An execution interval error of the
synchronization interrupt program has
been detected.
• A multiple CPU synchronization error
has been detected.
Stop/
continue
• 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
CPU module or base unit. Please
consult your local Mitsubishi
representative.
 Always
2631H • A multiple CPU synchronization error
has been detected.
Stop System
configuration
information
At power-on, at
RESET, at
END
instruction
execution
2800H I/O number or
network number
specification
error
• The specified I/O number is out of
ra
nge
(other than 0 to FFH, 3E0 to
3E3H).
Stop/
continue
• Check the detailed information
(error location information) of the
error by executing module
diagnostics using the engineering
tool, display the error program
(step) by clicking the [Error Jump]
button, and correct the program.
Error location
information
At instruction
execution
2801H • The I/O number of the module that
does not exist was specified.
Stop/
continue
Error location
information,
system
configuration
information
At instruction
execution
2802H I/O number or
network number
specification
error
• The I/O number of the module that
does not support the instruction was
specified.
• The dedicated instruction specified in
the program cannot be executed in
the specified module or mode.
Stop/
continue
• Check the detailed information
(error location information) of the
error by executing module
diagnostics using the engineering
tool, display the error program
(step) by clicking the [Error Jump]
button, and correct the program.
• Check the execution propriety
(including support status and
execution mode) of the dedicated
instruction, referring to the manual
for the target module.
Error location
information,
system
configuration
information
At instruction
execution
Error
code
Error name Error details and cause Stop/
continue
Action Detailed
information
Diagnostic
timing