Schneider Electric · Altivar Machine ATV320 Variable Speed Drive
An interruption in communication with PC Software. This means the drive has lost its connection to a PC running configuration or monitoring software, preventing diagnostics, parameter changes, or firmware updates. This is typically a temporary issue during commissioning or maintenance.
Click steps to track your progress.
1. Verify the physical USB or Ethernet cable connection between the PC and the drive's communication port.
2. Check device manager on the PC for correct USB-to-serial converter driver installation and COM port assignment.
3. Confirm the communication settings (e.g., COM port, baud rate, IP address) in the PC software match the drive's configuration.
4. Temporarily disable PC firewalls or add an exception for the drive's communication port/application.
5. Attempt communication with a different PC or a known-good cable to rule out PC hardware issues.