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FANUC Alarm ACAL-021Large Frame deviation.

FANUC ACAL-021 (“Large Frame deviation.”): The computed frame offset exceeds the pre-set value. First check: Run the calibration program again to make sure the robot makes solid contacts with the part.

Updated 2026-08-29 · LogrobotLM reference

Description

The computed frame offset exceeds the pre-set value.

Remedy · Remède

Run the calibration program again to make sure the robot makes solid contacts with the part. Change the XYZ and ORNT change value in the schedule if these numbers are very small.

Frequently asked · Questions fréquentes

What does FANUC alarm ACAL-021 mean?
FANUC ACAL-021 (“Large Frame deviation.”): The computed frame offset exceeds the pre-set value.
How do you troubleshoot FANUC alarm ACAL-021?
Run the calibration program again to make sure the robot makes solid contacts with the part. Change the XYZ and ORNT change value in the schedule if these numbers are very small.

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 →