FANUC Alarm ARC-123 — Memory size is too small

FANUC ARC-123 (“Memory size is too small”): The memory size is too small to get the memory area for the necessary data. First check: Change the memory module into the one which has appropriate size, and perform an INIT start.

Updated 2026-09-17 · LogrobotLM reference

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 →