Mitsubishi Electric MELSEC-Q Series User Manual page 312

Error code
Description
(hexadecimal)
Message transmission
BF43 target module station
type error
BF44 System error
Invalid number of
messages that were
BFFA
simultaneously
transmitted
Transient request
BFFB
overload error
CPU monitoring timer
BFFE
timeout
Error detected in a Ethernet interface module
C000 to CFFF ( Ethernet Interface Module User's Manual
QnUCPU User's Manual (Communication via Built-in Ethernet Port))
Error detected in a CC-Link IE Field Network
D000 to DFFF
( CC-Link IE Field Network User's Manual)
Error detected in a CC-Link IE Controller Network
E000 to EFFF
( CC-Link IE Controller Network Reference Manual)
Error detected in a MELSECNET/H or MELSECNET/10 network system
F000 to FFFF
( MELSECNET/H or MELSECNET/10 Network System Reference Manual)
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Error cause (details)
The station type of a target
station for the message
transmission is not either a
remote device station or
intelligent device station.

The message transmission
function was executed
simultaneously for five or more
intelligent device stations.
Too many transient requests
were sent from the programming
tool or GOT.
The CPU monitoring timer timed
out.
Corrective action
Correct the station type of a target
station, and execute the function
again.
Please consult your local
Mitsubishi representative.
Execute four requests or less at
the same time.
Wait for a while and send the
request again.
Check operations of the target
station.
Delectability
Master Local
station station
×