EN Comm Loss

What does F083 mean?

Internal communications between the drive's main controller and its embedded EtherNet/IP adapter have been interrupted. This is a fault internal to the drive's architecture, distinct from external network issues, signifying a failure in the communication path that prevents the drive from interacting with the Ethernet network. The drive's response is governed by parameter C125 [Comm Loss Action].

• Internal hardware malfunction of the embedded EtherNet/IP adapter circuitry on the drive's control board.
• Corruption of the embedded EtherNet/IP adapter's firmware or configuration within the drive's memory.
• A critical internal communication bus failure between the drive's main CPU and the embedded EtherNet/IP module.
• Insufficient internal power supply voltage to the embedded EtherNet/IP chip within the drive.
• Environmental factors (e.g., excessive heat, vibration) causing a fault in the internal EtherNet/IP hardware.

Click steps to track your progress.

1. 1

   1. Cycle power to the drive, then monitor the embedded EtherNet/IP status indicators (e.g., Module Status, Network Status LEDs) on the drive.

2. 2

   2. Perform a complete drive parameter reset to factory defaults (e.g., P0-02 = 2) and reconfigure all parameters, including network settings (P8-xx).

3. 3

   3. Attempt to establish a direct EtherNet/IP connection to the drive using RSLinx or similar software to verify basic adapter functionality.

4. 4

   4. Record the exact firmware revision of the drive (e.g., displayed on startup or via HIM) and check for known issues with the embedded adapter.

5. 5

   5. If possible, upgrade or re-flash the drive's main firmware to ensure integrity of the embedded EtherNet/IP code.