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SRVO-074
LDAL alarm (Pulsecoder LED Broken)
Fanuc · R-30iB Mate + Mate Plus Robot
Hva betyr 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.
Vanlige årsaker
- 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.
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
Replace the Pulsecoder for the affected axis.
- 2
Remaster the robot after Pulsecoder replacement to re-establish absolute position.
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Fanuc R-30iB Mate + Mate Plus Robot