FANUC Alarm ACAL-012 — Cannot access $MNUTOOL.
FANUC ACAL-012 (“Cannot access $MNUTOOL.”): Cannot access $MNUTOOL. First check: Display the FRAME menu to select a valid tool frame.
Updated 2026-09-17 · LogrobotLM reference
Description
Cannot access $MNUTOOL. The current $MNUTOOLNUM[] is incorrect.
Remedy
Display the FRAME menu to select a valid tool frame.
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 →