Mitsubishi Electric MELSEC iQ-R Series User Manual page 599

Error Error name Error details and cause
code
37A1H Parameter error • A device that cannot be used is
(redundant specified for tracking transfer in the
37A2H
function) CPU parameters.
37A3H Parameter error • Total amount of data set for tracking
(redundant transfer in the CPU parameters
function) exceeds the maximum limit.
37A4H Parameter error • In the CPU module which operates in
(redundant redundant mode, parameters for the
function) unsupported function have been set
or parameters related to a redundant
system have not been set.
37A5H Parameter error • In the CPU module, which does not
(redundant support SFC programs when
function) operating in redundant mode, the
number of points of the step relay (S)
is set to other than 0 in the CPU
parameters.
37A6H Parameter error • "Both Systems Program Executions
(redundant Setting" of "Program Setting" in the
function) CPU parameters is set to "Both
systems executions" for SFC
programs.
37A7H Parameter error • Use of the redundant functions that
(redundant are not supported by the modules is
function) enabled in the parameters.
Stop/ Action
continue
Stop • Check the detailed information
(parameter information) of the
error by executing module
diagnostics using the engineering
tool, correct the parameter setting
corresponding to the displayed
number, and write parameters to
the CPU module again.
• Take measures to reduce noise. If
the same error code is displayed
again, the possible cause is a
hardware failure of the CPU
module or redundant function
module. Please consult your local
Mitsubishi representative.
Stop • Set the tracking capacity of each
block within the allowable range in
the CPU parameters.
Stop • Check the detailed information
(parameter information) of the
error by executing module
diagnostics using the engineering
tool, correct the parameter setting
corresponding to the displayed
number, and write parameters to
the CPU module again.
• Correct the operation mode set in
the engineering tool. 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.
Stop • Replace the CPU module with the
one supporting SFC programs in
redundant mode.
• Set the number of points of the
step relay (S) to 0 in the CPU
parameters.
Stop • Check "Program Setting". Set
"Both Systems Program
Executions Setting" to "Control
system execution" for all the SFC
programs and write the CPU
parameters to the CPU module
again.
Stop • Check the detailed information
(parameter information) of the
error by executing module
diagnostics using the engineering
tool and correct the parameter
setting corresponding to the
displayed number.
• 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. If the module does
not support the redundant
function, remove the module from
the base unit.
Detailed Diagnostic
information timing
Parameter At power-on, at
information RESET
Parameter At power-on, at
information RESET
Parameter At power-on, at
information RESET, at
write
Parameter At power-on, at
information RESET, at
write
Parameter At power-on, at
information RESET, at
STOP  RUN
state
Parameter At power-on, at
information, RESET
system
configuration
information
36 ERROR CODES
597
36.4 List of Error Codes
36