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FANUC Alarm ACAL-052iRCal. Master is not loaded.

FANUC ACAL-052 (“iRCal. Master is not loaded.”): Robot Cal is not loaded. First check: Perform a Controlled start, and load the Robot Cal software from the OPTION menu.

Updated 2026-08-29 · LogrobotLM reference

Description

Robot Cal is not loaded. The robot tried to run the robot Calibration instruction without the Robot Cal software.

Remedy · Remède

Perform a Controlled start, and load the Robot Cal software from the OPTION menu.

Frequently asked · Questions fréquentes

What does FANUC alarm ACAL-052 mean?
FANUC ACAL-052 (“iRCal. Master is not loaded.”): Robot Cal is not loaded. The robot tried to run the robot Calibration instruction without the Robot Cal software.
How do you troubleshoot FANUC alarm ACAL-052?
Perform a Controlled start, and load the Robot Cal software from the OPTION menu.

Related codes / Codes liés

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 →