LogrobotLM

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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 2026-08-29 · LogrobotLM reference

Description

Magnetic Phase Detection (MPDT) process cannot start because servo ready (SRDY) is off.

Remedy · Remède

Remove the reason of servo ready (SRDY) off.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-318 mean?
FANUC SRVO-318 (“MPDT cannot start(SRDY Off)”): Magnetic Phase Detection (MPDT) process cannot start because servo ready (SRDY) is off.
How do you troubleshoot FANUC alarm SRVO-318?
Remove the reason of servo ready (SRDY) off.

Related codes / Codes liés

SRVO-316MPDT time is up(G:%d A:%d)SRVO-317MPDT cannot start(Machine Lock)SRVO-322SVOFF input / E.STOPSRVO-325Alarm %d

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →