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FANUC Alarm INTP-321 — ABORT END stmt of a func rtn

Manufacturer wording — ABORT (%s^4, %d^5) END stmt of a func rtn
The manual prints placeholders; your controller fills them in with the real group, axis or number.

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

Updated 2026-09-17 · LogrobotLM reference

Description

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

Remedy

Add a RETURN statement to the function routine.

Related codes

INTP-319ABORT Invalid type codeINTP-320ABORT Undefined built-inINTP-322ABORT Invalid arg val for builtinINTP-323ABORT 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. How this reference is built →