FANUC Alarm SRVO-317 — MPDT cannot start(Machine Lock)
FANUC SRVO-317 (“MPDT cannot start(Machine Lock)”): Magnetic Phase Detection (MPDT) process cannot start because machine lock is enabled for that group. First check: Disable machine lock for that group.
Updated 2026-09-17 · LogrobotLM reference
Description
Magnetic Phase Detection (MPDT) process cannot start because machine lock is enabled for that group.
Remedy
Disable machine lock for that group.
Related codes
Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →