FANUC Alarm HOST-312 — Operation isn't available
FANUC HOST-312 (“Operation isn't available”): You try to jog machine tool but operation isn't available. First check: Set the operation available
Updated 2026-09-17 · LogrobotLM reference
Description
You try to jog machine tool but operation isn't available.
Remedy
Set the operation available
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 →