Mitsubishi Electric MELSEC iQ-R Series User Manual page 133

Error Error details and causes
code
BC55H With the message transmission function, an abnormal data
was received.
BC57H Multiple peripherals tried to access the same remote
device station at the same time.
BC58H With the message transmission function, an abnormal data
was received.
BC59H With the message transmission function, an abnormal data
was received.
BC5AH System error
BC5BH With the message transmission function, an abnormal
response was received.
BC5CH to With the message transmission function, an abnormal data
BC5FH was received.
BC60H • The message transmission function was executed
simultaneously for five or more remote device stations.
• The message transmission function was executed
simultaneously for five or more intelligent device
stations.
BC70H The peripherals sent requests to the remote device station
exceeding the number of concurrent execution.
BC71H The remote device station access function was attempted
to be performed from a station other than the master
station.
BC72H The remote device station to be accessed from the
peripherals is in any of the following.
• The station is not set in the network parameter.
• The specified station number is not the start station
number.
• The station is set as a reserved station.
• A data link error has occurred (including error on all
stations).
BC73H The remote device station to be accessed from the
peripherals is a remote I/O station.
BC74H The specified device (RX, RY, RWw, or RWr) number is out
of the valid device range for the connected target station.
BC75H A data link error has occurred in all stations during access
from the peripherals to the remote device station.
BC76H Time check over has occurred during access from the
peripherals to the remote device station.
BC81H System error
BC90H The message transmission result read request was
received from the station with an unacceptable target
station number.
BC91H Timeout has occurred in receiving response data of
message transmission.
BD83H System error
BD84H System error
BD85H An error has been detected in the CPU module.
A hardware failure has been detected.
BD86H System error
BD87H System error
Action
Execute the message transmission function again. If the
error occurs again, the possible cause is a failure of a
master/local module or remote device station. Please
consult your local Mitsubishi representative.
Execute after other processing is completed.
Execute the message transmission function again. If the
error occurs again, the possible cause is a failure of a
master/local module or remote device station. Please
consult your local Mitsubishi representative.
Execute the message transmission function again. If the
error occurs again, the possible cause is a failure of a
master/local module or remote device station. Please
consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
Check the operation of the target remote device station.
Execute the message transmission function again. If the
error occurs again, the possible cause is a failure of a
master/local module or remote device station. Please
consult your local Mitsubishi representative.
Reduce the number for simultaneous execution to four or
less.
Reduce the number for simultaneous execution to four or
less.
Execute the function from the master station.
Check the parameters or operation on the target station.
Check the station number and station type of the specified
target station.
Check the parameters and the device range of the target
station.
Issue the request after the data link is started.
Increase the time check time in the application of the
request source, or check the operation of the target slave
station.
Please consult your local Mitsubishi representative.
Correct the target station number at the request source and
retry the operation.
Set a larger value in 'Monitoring time setting' (SW0009) for
execution. If the error occurs again, check the modules and
cables at the destination.
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
Check the error of the CPU module and take action using
the module diagnostics.
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
Detailed
information
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4 TROUBLESHOOTING
131
4.6 List of Error Codes
4