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302
Serial Pulse Coder Communication Error (STBER)
Fanuc · Alpha i series AC Servo Motor
¿Qué significa 302 ?
A communication error (STBER) was detected for the serial pulse coder, suggesting a problem with data synchronization or framing during serial communication. This can be due to cable issues, faulty components, or noise.
Causas comunes
- Discontinuity or damage in the serial pulse coder signal cable.
- Defective serial pulse coder.
- Defective servo amplifier module.
- External electrical noise interfering with serial communication.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Check the continuity and integrity of the serial pulse coder signal cable.
- 2
If the cable is verified as normal, replace the pulse coder or the servo amplifier module.
- 3
Implement noise reduction measures as described in the 'Descriptions' chapter on noise.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Fanuc Alpha i series AC Servo Motor