FANUC Alarm SYST-255 — No Teach OK input

FANUC SYST-255 (“No Teach OK input”): This operation requires the Teach OK input. First check: Check the status of the Teach OK input.

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 →