Communication errors where the D LINK LED does not change
The following table lists the communication errors of CC-Link IE Field Network where the D LINK LED does not change at an
error. These errors are automatically eliminated after occurrence of an error. Therefore, they are not displayed in the CC-Link
IE Field Network diagnostics of the engineering tool. Troubleshoot these errors by executing "Error history read" from the
"Network Configuration Settings".
Classification Error name
• When multiple errors have occurred, only the latest error code is stored in Error code (RX10 to RX1F). The
errors that occurred before can be checked by executing "Error history read" from the "Network
Configuration Settings". For the error history, refer to the following.
Page 83 Checking with "Command Execution of Slave Station"
• Error code details 1 to Error code details 10 for communication errors are fixed to 0.
Description and cause
The transient data request
command is incorrect.
The target station is
overloaded and cannot
receive transient data.
The received transient data is
The divided transient data
have been received.
Correct the request command at the request source, and send
the data again.
• Check the network status using CC-Link IE Field Network
diagnostics of the engineering tool to take the appropriate
• When the target station is overloaded and cannot receive
transient data, send the data to the target station after a while.
Correct the number of data (frame length) at the request source,
and send the data again.
Send the transient data that is not divided.
10.7 Error Code List