PC Software Communication Interruption
Schneider Electric · Altivar Machine ATV320 Variable Speed Drive
¿Qué significa SLF2 ?
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.
Causas comunes
- USB or Ethernet communication cable disconnected or damaged (e.g., between PC and drive).
- Incorrect communication port (COM port, IP address) selected in the PC software.
- Missing or outdated USB-to-serial driver on the PC.
- Firewall settings on the PC blocking communication with the drive's port.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
1. Verify the physical USB or Ethernet cable connection between the PC and the drive's communication port.
- 2
2. Check device manager on the PC for correct USB-to-serial converter driver installation and COM port assignment.
- 3
3. Confirm the communication settings (e.g., COM port, baud rate, IP address) in the PC software match the drive's configuration.
- 4
4. Temporarily disable PC firewalls or add an exception for the drive's communication port/application.
- 5
5. Attempt communication with a different PC or a known-good cable to rule out PC hardware issues.