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FANUC Alarm INTP-321 — ABORT (%s^4, %d^5) END stmt of a func rtn

FANUC INTP-321 (“ABORT (%s^4, %d^5) END stmt of a func rtn”): KAREL program error. First check: Add a RETURN statement to the function routine.

Updated 2026-08-29 · LogrobotLM reference

Description

KAREL program error. The END statement was executed in a function routine instead of a RETURN statement.

Remedy · Remède

Add a RETURN statement to the function routine.

Frequently asked · Questions fréquentes

What does FANUC alarm INTP-321 mean?
FANUC INTP-321 (“ABORT (%s^4, %d^5) END stmt of a func rtn”): KAREL program error. The END statement was executed in a function routine instead of a RETURN statement.
How do you troubleshoot FANUC alarm INTP-321?
Add a RETURN statement to the function routine.

Related codes / Codes liés

INTP-319ABORT (%s^4, %d^5) Invalid type codeINTP-320ABORT (%s^4, %d^5) Undefined built-inINTP-322ABORT (%s^4, %d^5) Invalid arg val for builtinINTP-323ABORT (%s^4, %d^5) Value overflow

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 →