LogrobotLM

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FANUC Alarm PROG-040 — PAUSE Already locked by other task

FANUC PROG-040 (“PAUSE Already locked by other task”): Motion control for the specified group was already reserved by another program. First check: Check the other running programs to determine who has motion control.

Updated 2026-09-17 · LogrobotLM reference

Description

Motion control for the specified group was already reserved by another program.

Remedy

Check the other running programs to determine who has motion control.

Related codes

PROG-037WARN No data in the trace arrayPROG-039WARN locked, but not get mctlPROG-041WARN mctl denied because releasedPROG-042WARN Already released

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 →