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Serial Pulse Coder Communication Error (STBER)
Fanuc · Alpha i series AC Servo Motor
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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.
Häufige Ursachen
- 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.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 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.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Fanuc Alpha i series AC Servo Motor