Error Code List - Mitsubishi Electric MELSEC-Q Series User Manual

11.3.2

Error code list

The following table lists error codes.
When a standby master station is used, refer to the respective columns under "Delectability" in the table as explained
below.
• When a standby master station is operating as a master station: "Master station" column
• When a standby master station is operating as a standby master station: "Local station" column
Error code
Description
(hexadecimal)
Error detected in a CPU module
4000 to 4FFF
( QCPU User's Manual (Hardware Design, Maintenance and Inspection))
Error detected in a serial communication module
7000 to 7FFF
( Serial Communication Module User's Manual and other relevant manuals)
B002
B101 and B102
System error
B103 to B106
B109
Data link error in target
B10A
stations
Message transmission
B10C
function unsupported
Transient data
B110
receiving disabled
Transient data
B111
receiving order error
Transient data length
B112
error
Transient data
B113
identification error
B115 Link error
B116 Packet error
Forced termination of
the remote device
B120 station initialization
procedure registration
function
B122
System error
B123
Error cause (details)

A data link error occurred on
target stations during a message
transmission.
The message transmission
function was executed for the
remote 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 a
momentary power failure has
occurred in the sending station.
A line error has occurred.
A line error has occurred.
With the remote device station
initialization procedure
registration function, the remote
device station initialization
procedure registration instruction
was turned off before all
procedures are completed.

CHAPTER 11 TROUBLESHOOTING
Corrective action
Please consult your local
Mitsubishi representative.
Check the operation of the target
remote device station.
Check the station No. of the target
station.
Or, check if the target station
supports the message
transmission function.
Modify the line.
Modify the line.
Modify the line.
Modify the line, or check the
power supply module and power
supplied to the sending station.
Modify the line.
Modify the line.
Complete all the procedures then
turn off the remote device station
initialization procedure
registration instruction.
Please consult your local
Mitsubishi representative.
11
Delectability
Master Local
station station
×
×
×
×
×
×
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