FANUC Alarm MOTN-115 — WARN Invalid brake mask

Manufacturer wording — WARN Invalid brake mask (G:%d^2)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MOTN-115 (“WARN Invalid brake mask”): Invalid brake mask First check: Check brake mask

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 →