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FANUC Alarm ACAL-078 — Skip Update Tool instruction

FANUC ACAL-078 (“Skip Update Tool instruction”): Execute the Update Utool instruction in a non-TCPCal program. First check: Update Tool only works in TCP Calibration programs with a UTool Start instruction.

Updated 2026-08-29 · LogrobotLM reference

Description

Execute the Update Utool instruction in a non-TCPCal program.

Remedy · Remède

Update Tool only works in TCP Calibration programs with a UTool Start instruction.

Frequently asked · Questions fréquentes

What does FANUC alarm ACAL-078 mean?
FANUC ACAL-078 (“Skip Update Tool instruction”): Execute the Update Utool instruction in a non-TCPCal program.
How do you troubleshoot FANUC alarm ACAL-078?
Update Tool only works in TCP Calibration programs with a UTool Start instruction.

Related codes / Codes liés

ACAL-076More than one Detect Joint.ACAL-077No Detect Joint in Init. CalACAL-079Large approach angle error.ACAL-080Failed to update TPE program

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 →