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SV0305
APC ALARM: PULSE ERROR
Fanuc · Alpha i Series Servo Amplifier
Was bedeutet SV0305 ?
A pulse error occurred with the absolute-position detector, preventing the system from obtaining the correct machine position. This issue is typically caused by a defect in the absolute-position detector or its connecting cable.
Häufige Ursachen
- APC encoder pulse generation is inconsistent or faulty.
- Signal degradation of the encoder's pulse output.
- Incorrect pulse counting by the CNC.
- Mechanical issues affecting the encoder's disc rotation.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Measure APC encoder pulse output (e.g., A, B signals) for correct waveform and frequency.
- 2
Inspect encoder mounting for any mechanical play or vibration.
- 3
Verify pulse counting parameters in the CNC.
- 4
Test APC encoder with a known good reference if possible.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Fanuc Alpha i Series Servo Amplifier