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Alarm 1
Hardware Disconnection (Separate Phase A/B)
Fanuc · Alpha i Series Servo Amplifier
¿Qué significa Alarm 1 ?
This alarm is issued when the separate phase A/B scale is used. It indicates a hardware disconnection related to the phase A/B detector.
Causas comunes
- Physical disconnection of phase A/B signals from the encoder.
- The encoder cable is unplugged or broken.
- Internal hardware fault within the encoder's A/B signal path.
- Loose wiring at the encoder connector or the controller input.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Check whether the phase A/B detector is connected correctly.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Fanuc Alpha i Series Servo Amplifier