FANUC Alarm INTP-454 — ABORT Illegal return occurred
Manufacturer wording — ABORT (%s^4, %d^5) Illegal return occurred
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC INTP-454 (“ABORT Illegal return occurred”): Program type is different between caller program and called program. First check: Satisfy the remote condition
Updated 2026-09-17 · LogrobotLM reference
Description
Program type is different between caller program and called program.
Remedy
Satisfy the remote condition
Related codes
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 →