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FANUC Alarm GUID-301 — WARN Cannot update prostion reg

FANUC GUID-301 (“WARN Cannot update prostion reg”): Cannot update prostion reg Cannot update the specific position register. First check: Make sure the position register number is valid.

Updated 2026-09-17 · LogrobotLM reference

Description

Cannot update prostion reg Cannot update the specific position register.

Remedy

Make sure the position register number is valid.

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 →