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FANUC Alarm IBSS-216 — DIO size to UOP not enough

FANUC IBSS-216 (“DIO size to UOP not enough”): The DIO size is too small to use UOP. First check: Increase DIO size if you want to use UOP.

Updated 2026-09-17 · LogrobotLM reference

Description

The DIO size is too small to use UOP.

Remedy

Increase DIO size if you want to use UOP.

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 →