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15.3.2
Error code list
The following shows the error codes list.
When a standby master station is used, refer to the respective columns under "Detectability" in the table as explained
below.
• When a module is used as a master station: "Master station" column
• When a module is used as a standby master station: "Local station" column
Error code
Error details
(hexadecimal)
4000
Error detected in a CPU module
to 4FFF
(Refer to the MELSEC-L CPU Module User's Manual (Hardware Design, Maintenance and Inspection).)
7000
Error detected in a module such as a serial communication module
to 7FFF
(Refer to the Serial Communication Module User's Manual and other relevant manuals.)
B002
B101 to B102
System error
B103 to B106
B109
Data link error detected in
B10A
target stations
Message transmission
B10C
function unsupported
Transient data can not be
B110
received.
Transient data receiving
B111
order error
B112
Transient data length error
B113
Transient data ID error
B115
Link error
B116
Packet error
Forced termination of the
remote device station
B120
initialize procedure
registration function
B122
System error
B123
Error at a station on which
the remote device station
B124
initialize procedure
registration function was
executed
Parameter not set error of
the remote device station
B125
initialize procedure
registration function
362
Cause of error occurrence (details)
A data link error has occurred in the target
stations during a message transmission.
The message transmission function was
executed for the device station that does not
support the function.
A line error has occurred.
A line error has occurred.
A line error has occurred.
A line error has occurred or an instantaneous
power failure has occurred at the send
station.
A line error has occurred.
A line error has occurred.
In the remote device station initialize
procedure registration function, the
specification of the remote device station
initialize procedure registration was turned
off before all procedures were completed.
The specification of the remote device
station initialize procedure registration
function was turned on at a station other than
the master station.
The specification of the remote device
station initialize procedure registration
function was turned on without setting the
remote device station initialize procedure
registration.
Bits corresponding to other than the head
station number were turned ON in the
Specification of remote device station to be
initialized (SW0014 to SW0017) to instruct
remote device station initialization procedure
registration.
Corrective action
Please consult your local Mitsubishi
representative.
Check the operation of the target
stations.
Check the station No. of the target
station.
Or, check if the target station
supports the message transmission
function.
Check the line.
Check the line.
Check the line.
Check the line, or check the supply
power and power supply module of
the send station.
Check the line.
Check the line.
Do not turn the specification of the
remote device station initialize
procedure registration off until all
procedures are completed.
Please consult your local Mitsubishi
representative.
Turn on the remote device station
initialization procedure registration
instruction on the master station
(station No.0).
Turn on the specification of the
remote device station initialize
procedure registration function after
setting the remote device station
initialize procedure registration.
Turn ON only the bit corresponding
to the head station number in the
Specification of remote device
station to be initialized (SW0014 to
SW0017).
Detectability
Master
Local
station
station
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Troubleshooting
