When an error message is displayed (Error code list)
Maintenance/Troubleshooting
1-163
When the DeviceNet (Slave) unit is used
The following information is displayed in
∗
1.
Example: Network Communication Error, LED Status: [0x04]
∗
1
When the EX module is used
Refer to the following section.
)
“1.6.2 Display-related errors n Errors displayed with the LT3000 series” (page 1-
154)
Error No.
Error Message
Handling method
RHxx128
Error During Initialization of Inter-
face Module
The unit may be faulty. Check the module.
RHxx129
Illegal Initialization Parameter
Decrease the size of input or output area in the
device/PLC settings and the unit settings.
RHxx130
Incorrect Interface Module
Detected
Connect the correct module.
RHxx131
Network Communication Error,
LED Status: [0x0
∗
]
∗
1
Check the settings of cables, communication
speed, input/output sizes, and master (scanner).
Please check the LED status for details.
Error No.
Network LED
Module LED
Description
0x00 to
0x04
Does not illumi-
nate
Flashing
(Green)
Indicates any of the following conditions:
No electricity is supplied on the network cable,
a cable is not connected or the configuration
(including settings) has not been set.
0x04
Does not illumi-
nate
Illuminating
(Green)
Indicates any of the following conditions:
No electricity is supplied on the network cable,
a cable is not connected or the baud rate has
not been properly set.
0x04 to
0x05
Flashing
(Green)
Illuminating
(Green)
Indicates any of the following conditions:
This slave has not been set on the network or
the configuration has not been properly set.
Check the node number.
0x05
Illuminating
(Green)
Illuminating
(Green)
The master is in stop mode.
0x06
Illuminating
(Red)
Illuminating
(Green)
Check the network settings.
Indicates any of the following conditions:
The baud rate is not correct or the node settings
overlap.
