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CHAPTER 9 TROUBLESHOOTING
9
9.5 Error Code List
D903
H
Communication test retry error After completion of the communication test, retry it.
D905
H
Communication monitoring time in
communication test timed out
• Check the network condition by CC-Link IE Field Network diagnostics,
take action, and retry the operation.
• Check if the routing parameters are correctly set.
D906
H
Transmission completion wait time in
communication test timed out
• Check the network condition by CC-Link IE Field Network diagnostics,
take action, and retry the operation.
• Check if the routing parameters are correctly set.
D909
H
Header information error in transient
data
Correct the header information at the transient request source, and retry the
operation.
D90A
H
Double communication test data
received
After completion of the communication test, retry it.
D90B
H
Incorrect number of stations
• Check the network condition by CC-Link IE Field Network diagnostics of
GX Works2, and take action.
• If the number of slave stations per network is more than 120, reduce it to
120 or less.
D90C
H
Communication test target station
specification error
Check "Communication Destination Setting" of the communication test, and
retry the operation.
D90D
H
Cable test retry error After completion of the cable test, retry it.
D90E
H
IP packet transfer function not
supported
The transfer destination of the IP data does not support the IP packet
transfer function.
D90F
H
IP communication test in progress Retry the operation after a while.
D910
H
IP address not set (own station) Check the destination IP address of the IP communication test.
D911
H
Destination IP address error Check the destination IP address of the IP communication test.
DA00
H
to DA01
H
Ethernet adapter module failure
• Malfunction may have occurred due to noise. Check the wire and cable
distances and grounding condition of each device, and take measures
against noise.
• Perform a unit test on the Ethernet adapter module. If the failure occurs
again, the hardware of the Ethernet adapter module may be faulty. Please
consult your local Mitsubishi representative.
DA10
H
to DA18
H
Ethernet adapter module failure
• Malfunction may have occurred due to noise. Check the wire and cable
distances and grounding condition of each device, and take measures
against noise.
• Perform a unit test on the Ethernet adapter module. If the failure occurs
again, the hardware of the Ethernet adapter module may be faulty. Please
consult your local Mitsubishi representative.
DAF2
H
Failed to write to flash ROM
• If the number of times that data were written to the flash ROM exceeded
100,000, set the system not to hold the error history by power-off/reset in
"PLC System" in the parameter setting.
• Check the wire and cable distances and grounding condition of each
device, and take measures against noise.
• Perform a unit test on the Ethernet adapter module. If the failure occurs
again, the hardware of the Ethernet adapter module may be faulty. Please
consult your local Mitsubishi representative.
DAF3
H
MAC address read error
• The RAM may malfunction due to noise. Check the wire and cable
distances and grounding condition of each device, and take measures
against noise.
• Perform a unit test on the Ethernet adapter module. If the failure occurs
again, the hardware of the Ethernet adapter module may be faulty. Please
consult your local Mitsubishi representative.
Error code Error Action