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SRVO-074
LDAL alarm (Pulsecoder LED Broken)
Fanuc · R-30iB Mate + Mate Plus Robot
Was bedeutet SRVO-074 ?
This alarm (Group:i Axis:j) signifies that the LED within the Pulsecoder is broken or faulty. This prevents the Pulsecoder from generating proper position feedback, directly affecting axis control and potentially leading to inaccurate positioning or uncontrolled motion.
Häufige Ursachen
- Pulsecoder LED (LDAL - LED Abnormality) has failed or is not emitting light.
- Optical feedback path within the pulsecoder is obstructed or broken.
- Dirty or damaged encoder disk or sensing surface.
- Faulty LED driver circuit within the pulsecoder.
- Pulsecoder internal diagnostics detecting LED failure.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Replace the Pulsecoder for the affected axis.
- 2
Remaster the robot after Pulsecoder replacement to re-establish absolute position.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Fanuc R-30iB Mate + Mate Plus Robot