Mitsubishi QJ71BR11 User Manual

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MELSEC-Q
8 TROUBLESHOOTING
Table 8.1 Error code list (Continued)
Error No. Description of error Corrective measure
F11F Initial status (no baton addressed to host)
Check for the operation status of the control/sub-control station, faulty cables,
incorrect cable wiring, absence of terminating resistor (in the case of the bus),
and duplication of station numbers, control stations, and remote master
stations.
Confirm whether network modules in MESLECNET/H and MELSECNET/10
modes exist together (confirm the control station type).
F120 Destination station specification error
Check for faulty cables, faulty hardware, incorrect wiring, absence of
terminating resistor (in the case of the bus), and duplication of station numbers,
control stations, and remote master stations.
F122 Send failure (coaxial bus system)
Check for coaxial cable connection, proper connector connection, connection of
terminating resistor, or faulty cables.
F221 System error
The hardware of the network module is faulty.
Contact your local Mitsubishi representative.
F222
No free area in the receive buffer
(buffer-full error)
Retry after a little while.
If the error recurs as a result of a retry, review the number of transient
communication times and communication interval of the entire system.
Turn off the power supply to the entire system, and turn it on again.
F224 Receive data size error
The hardware of the module on the transient transmission source station is
faulty.
Contact your local Mitsubishi representative.
F225 Logical channel number error
The hardware of the module on the transient transmission source station is
faulty.
Contact your local Mitsubishi representative.
F226 Channel number error
Check if the logical channel number designated in the execution source of the
SEND instruction is set in the target network module.
Alternatively, specify the logical channel number set in the target network
module.
F228 SEND instruction target station error
Review the target network number and target station No. in the control data at
the execution source of the SEND instruction.
F301 System error
The hardware of the network module is faulty.
Contact your local Mitsubishi representative.
F701
Send-target station number error
(station No. 0 specified)
F702
Send-target station number error
(station No. 65 or higher number specified)
The hardware of the CPU or network module is faulty.
Contact your local Mitsubishi representative.
F703 Destination group number error Review the destination group number.
F706 Received data size error
The cable is faulty, or The hardware of the network module is faulty.
If a communication error has occurred, review the cable.
If not, the hardware of the network module is faulty.
Contact your local Mitsubishi representative.
F707 Number of relay stations invalid
Set stations to which data can be sent.
Review the system.
Review the routing parameters.
F708 Receiving group number error Review the group number of the target station.
F709 Receiving network number error
Review the network No. parameter.
If the parameter is not set, the network No. is preset to 1 (default); so check the
network No. of other stations.
F70A System error
The cable is faulty, or the hardware of the network module is faulty.
If a communication error has occurred, review the cable.
If not, the hardware of the network module is faulty.
Contact your local Mitsubishi representative.
F70B Response wait timeout
Wait until SB0047 (baton pass status) and SB0049 (data link status) are
recovered.

Mitsubishi QJ71BR11 Specifications

General

Brand	Mitsubishi
Model	QJ71BR11
Category	Controller
Language	English