FANUC Alarm SYST-053 — WARN Invalid fast_DIN no: …

Manufacturer wording — WARN Invalid fast_DIN no: %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SYST-053 (“WARN Invalid fast_DIN no: …”): Specified Fast-DIN number is invalid First check: Use Valid Fast-DIN

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 →