Mitsubishi Electric MELSEC Q Series User Manual page 225

9
TROUBLESHOOTING
(4) Communication error of the EtherNet/IP module
Error code
Error
(Hex.)
TX FIFO underflow
C100
H
error
TX descriptor
C101
H
depletion error
C102 Send abort error
H
C103 Send timeout error
H
C104 Collision error
H
C105 Carrier lost
H
C106 No carrier
H
Too-short send
C107
H
frame error
Transmission
C108
H
blocking error
Receive FIFO
C109
H
overflow error
Receive descriptor
C10A
H
depletion error
Receive frame
C10B
H
overflow error
C10C Receive abort error
H
C10D CRC error
H
C10E MII error
H
Too-short receive
C10F
H
frame error
Too-long receive
C110
H
frame error
C111 Fraction bit error
H
C112 to
H
System error
C11F
H
Table 9.6 Communication error of the EtherNet/IP module
Error detail
A TX FIFO underflow error occurred.
The TX descriptor has depleted.
A send abort was detected.
A send timeout occurred.
Packet collision occurred when sending.
Carrier was not set or was lost during
transmission.
Unable to detect the carrier.
The sent message frame was less than 4 bytes
in length.
Transmission was blocked.
A receive FIFO overflow error occurred.
The receive descriptor has depleted.
Receive frame overflow occurred.
A receive abort was detected
A CRC error occurred
MII's RX_ER (receive error) turned on.
The received message is less than 64bytes in
length.
The received message frame is 1519 bytes or
more in length.
Fraction bit error occurred.
System error
Action
•Increase the RPI value in Consumer Tag and
restart the Tag communication.
•Check if the line status is normal (check for
influence of noise and the hub status)
•Increase the RPI value in Consumer Tag and
restart the Tag communication.
•Check if the target device is operating normally.
•Check if the line status is normal (check for
influence of noise and the hub status)
•Check if the target device is operating normally.
•Check if the line status is normal (check for
influence of noise and the hub status)
Check if the line status is normal (check for
influence of noise and the hub status)
•On the target device, check if the response
message is correct.
•Check if the line status is normal (check for
influence of noise and the hub status)
•Check if the target device is operating normally.
•Check if the line status is normal (check for
influence of noise and the hub status)
•Increase the RPI value in Consumer Tag and
restart the Tag communication.
•Check if the target device is operating normally.
•Check if the line status is normal (check for
influence of noise and the hub status)
•Increase the RPI value in Consumer Tag and
restart the Tag communication.
•On the target device, check if the response
message is correct.
•Check if the line status is normal (check for
influence of noise and the hub status)
•Check if the target device is operating normally.
•Check if the line status is normal (check for
influence of noise and the hub status)
•Check if the target device is operating normally.
•Check if the line status is normal
On the target device, check if the response
message is correct.
•Check if the target device is operating normally.
•Check if the line status is normal
Please consult your local Mitsubishi
representative.
9.4 Error Code
9.4.2 Error code list
9
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