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SP0139
Pulse Error Alarm
Fanuc · Alpha i Series AC Servo Motor and Spindle
Was bedeutet SP0139 ?
An error occurred in the interpolation circuit of the spindle control system. This typically indicates an issue with the feedback signal processing, leading to inaccurate position or speed control.
Häufige Ursachen
- Incorrect or missing pulse signal from an encoder or other pulse-generating device.
- Encoder damage or misalignment causing intermittent pulse output.
- Noise or electrical interference affecting the pulse signal integrity.
- Pulse counting error due to excessive speed or data rate.
- Parameter settings for pulse input (e.g., P4-xx) are incorrect.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Verify the integrity of the pulsecoder feedback cable (e.g., K22 for SV, K16/K97 for SP).
- 2
Check for electrical noise interference on the feedback lines.
- 3
Inspect the pulsecoder for physical damage or misalignment.
- 4
If the sensor head was moved, perform interpolation error learning according to Subsection 11.2.3.9.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Fanuc Alpha i Series AC Servo Motor and Spindle