FANUC Alarm INTP-448 — Fast mode programs too big
FANUC INTP-448 (“Fast mode programs too big”): Total size of Fast mode programs is greater than 4000 steps. First check: Set execution mode of some Background programs to Normal
Updated 2026-09-17 · LogrobotLM reference
Description
Total size of Fast mode programs is greater than 4000 steps. 4000 steps is approx. 4000 operands.
Remedy
Set execution mode of some Background programs to Normal
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 →