Cause: PC Com Interruption comes when communication interruption with the commissioning software. This fault typically indicates a break down in the communication between your computer and another device or network.

"SLF2" fault in Schneider ATV950 drive indicate "PC Communication Interruption issue". This means an interruption in communication between the drive and a connected PC, typically used for monitoring, configuration, or control purposes.

Here is a structured approach to troubleshoot and resolve this issue:

1. Initial Checks:

• Restart Communication: Restart the communication software on the PC and attempt to reconnect to the drive.
• Power Cycle: Power off the drive and the PC, wait for a few minutes, and then power them back on to reset any transient issues.

2. Check Communication Cables:

• Cable Integrity: Inspect the communication cables (e.g., USB, RS-485, Ethernet) for any signs of damage or wear. Replace any damaged cables.
• Secure Connections: Ensure all cable connections between the PC and the drive are secure and properly seated.

3. Verify Communication Settings:

• Baud Rate and Protocol: Ensure that the communication settings (e.g., baud rate, communication protocol) on the drive match those configured on the PC.
• COM Port Configuration: Verify that the correct COM port is selected and configured properly on the PC.

4. Check for Software Issues:

• Software Compatibility: Ensure that the software used for communication (e.g., SoMove, Vijeo Designer) is compatible with the drive and the PC operating system.
• Software Updates: Check for and install any updates or patches for the communication software.