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FANUC Alarm ACAL-074No motion before DETECT.

FANUC ACAL-074 (“No motion before DETECT.”): No motion exists before the DETECT instruction. First check: Add a MOVE instruction before the DETECT instruction.

Updated 2026-08-29 · LogrobotLM reference

Description

No motion exists before the DETECT instruction. Detect instructions require a motion line preceeding them.

Remedy · Remède

Add a MOVE instruction before the DETECT instruction.

Frequently asked · Questions fréquentes

What does FANUC alarm ACAL-074 mean?
FANUC ACAL-074 (“No motion before DETECT.”): No motion exists before the DETECT instruction. Detect instructions require a motion line preceeding them.
How do you troubleshoot FANUC alarm ACAL-074?
Add a MOVE instruction before the DETECT instruction.

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 →