FANUC Alarm MOTN-330 — MROT Limit Warn

Manufacturer wording — MROT Limit Warn(G:%d^2, A:%x^3 Hex)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MOTN-330 (“MROT Limit Warn”): Axis limit is detected during the minimal rotation First check: Check the alarm log to find out which axis has the limit error, adjust taught points

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 →