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FANUC Alarm PFMS-004 — WARN %s program is in use

FANUC PFMS-004 (“WARN %s program is in use”): The specified program is being edited or executing .

Updated 2026-08-29 · LogrobotLM reference

Description

The specified program is being edited or executing .

Frequently asked · Questions fréquentes

What does FANUC alarm PFMS-004 mean?
FANUC PFMS-004 (“WARN %s program is in use”): The specified program is being edited or executing .

Related codes / Codes liés

PFMS-002WARN Connection is disconnectedPFMS-003WARN Receive negative replyPFMS-005PAUSE . G CMI error(code = %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 →