Mitsubishi Electric MELSEC iQ-R - Page 244

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3 TROUBLESHOOTING
3.5 Message Log List
Cannot Send SegmentCount Over[Dev-XX
MaxSegmentAccepted=YYY
XmitSegmentCount=ZZZ ]
Moderate
error
An attempt was made to send a packet by a
segment send (divided send), but the packet
size exceeded the acceptable size even
though it was divided.
• Check a cause to become the packet size
large.
CClient_Base::SendRequest Dev-XX
WaitingPDUCount over current=YY limit=ZZ
Moderate
error
The number of packets waiting to be sent
exceeds the maximum value (65535).
• Check the communication traffic.
RecSegmentAck FillWindow Error1 Moderate
error
An error occurred during a segment send. • Check the communication packet.
Illegal ReadPropertyAutoSingleComplete Moderate
error
An invalid packet was received during a
segment send (divided send) of a
ReadProperty service.
• Check the communication packet.
Illegal WritePropertyAutoSingleComplete Moderate
error
An invalid packet was received during a
segment send (divided send) of a
WriteProperty service.
• Check the communication packet.
Illegal WritePropertyAutoMultiComplete Moderate
error
An invalid packet was received during a
segment send (divided send) of a
WritePropertyMultiple service.
• Check the communication packet.
CClientUnconf_Base::SendRequest Device
not found Device-XX
Moderate
error
The instance number of the BACnet device
of the specified destination is one that the
BACnet module does not recognize.
• Select [BACnetDevice] to open the
"BACnetDevice" screen. Check the IP
address displayed between a slash '/' and
colon ':' in the "BACnet Address" column.
• When sending an Event notification, check
the destination set in the RecipientList
property of the NotificationClass object.
CClientUnconf_Base::SendRequest
RemoteServer not found Device-XX
Moderate
error
The instance number of the BACnet device
of the specified destination is one that the
BACnet module does not recognize.
• Select [BACnetDevice] to open the
"BACnetDevice" screen. Check the IP
address displayed between a slash '/' and
colon ':' in the "BACnet Address" column.
• When sending an Event notification, check
the destination set in the RecipientList
property of the NotificationClass object.
CClientUnconf_Base::SendRequest
RemoteDevice not operational Device-XX
Moderate
error
Sending failed because the value in the
SystemStatus property of the Device object
for the BACnet device of the destination
specified with the device instance number
was regarded as one other than
Operational.
• Select [BACnetDevice], and check the value
in the "DeviceStatus" column of the send
destination device on the "BACnetDevice"
screen.
CClientUnconf_Base::SendRequest
N_UnitData_Req Error Device-XX
Moderate
error
A packet could not be sent to the BACnet
device of the destination specified with the
device instance number.
• Select [BACnetDevice] to open the
"BACnetDevice" screen. Check the IP
address displayed between a slash '/' and
colon ':' in the "BACnet Address" column.
• When communicating via a BACnet router,
check the network number.
• When sending an Event notification, check
the destination set in the RecipientList
property of the NotificationClass object.
ComplexAck Target does not support
Segment
Moderate
error
An attempt was made to send a packet by a
segment send (divided send) because the
send packet exceeded the number of
packets that could be sent in one packet, but
the BACnet device, communication target,
did not support the segment reception.
• Check the setting of the BACnet device
(communication target).
•
Check a cause to become the packet size
large.
ComplexAck buffer_overflow Moderate
error
An attempt was made to send a packet by a
segment send (divided send), but the packet
size exceeded the acceptable size even
though it was divided.
• Check a cause to become the packet size
large.
NPDU Unsupport Protocol Version XX Moderate
error
The protocol version of NPDU is not set as
'1'.
• Check the specification of the communication
target device.
• Check the communication packet.
NPDU DNET=0 Error Moderate
error
'0' is specified for DNET of the received
packet.
• Check the specification of the communication
target device.
• Check the communication packet.
NPDU SNET Error SNET=XX Moderate
error
'0' or '65535' is specified for SNET of the
received packet.
• Check the specification of the communication
target device.
• Check the communication packet.
Message log Log level Message detail Corrective action