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FANUC Alarm ACAL-064 — UTool Mismatch.

FANUC ACAL-064 (“UTool Mismatch.”): A UTool mismatch has occurred. First check: Change the current tool number to match the program's utool number.

Updated 2026-09-17 · LogrobotLM reference

Description

A UTool mismatch has occurred. The current MNUTOOL number does not match the program's utool.

Remedy

Change the current tool number to match the program's utool number.

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 →