LogrobotLM

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FANUC Alarm MEMO-004 — WARN Specified program is in use

FANUC MEMO-004 (“WARN Specified program is in use”): The specified program is being edited or executing. First check: Abort the specified program.

Updated 2026-09-17 · LogrobotLM reference

Description

The specified program is being edited or executing.

Remedy

Abort the specified program. Or select it once more after selecting another program.

Related codes

MEMO-002WARN Specified program is in useMEMO-003WARN Specified program is in useMEMO-006WARN Protection error occurredMEMO-007WARN Invalid break number

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 →