FANUC Alarm SRVO-318 — MPDT cannot start(SRDY Off)
FANUC SRVO-318 (“MPDT cannot start(SRDY Off)”): Magnetic Phase Detection (MPDT) process cannot start because servo ready (SRDY) is off. First check: Remove the reason of servo ready (SRDY) off.
Updated 2026-09-17 · LogrobotLM reference
Description
Magnetic Phase Detection (MPDT) process cannot start because servo ready (SRDY) is off.
Remedy
Remove the reason of servo ready (SRDY) off.
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 →