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InF3
Internal Serial Link Interruption
Schneider Electric · Altivar Machine ATV320 Variable Speed Drive
¿Qué significa InF3 ?
An interruption in the internal serial link communication. This refers to communication between internal sub-components of the drive (e.g., control board and I/O board). This critical internal fault can lead to unpredictable behavior or complete operational failure.
Causas comunes
- Loss of communication over the internal serial link between drive modules.
- Faulty serial cable or connector between the control and power sections.
- Electromagnetic interference disrupting serial data transmission.
- Failure of the serial transceiver on one of the connected modules.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Power cycle the drive to attempt re-establishment of the internal link.
- 2
Check for any visible damage or loose connections between internal boards and ribbon cables.
- 3
If the fault persists, it suggests an internal hardware issue on one of the boards, possibly requiring replacement.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Schneider Electric Altivar Machine ATV320 Variable Speed Drive