LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm GUID-057 — WARN Can't init tracking. L:…

Manufacturer wording — WARN Can't init tracking. L:%d^3
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC GUID-057 (“WARN Can't init tracking. L:…”): Tracking won’t start due to an initialization problem. First check: Fix problem indicated on SMON.

Updated 2026-09-17 · LogrobotLM reference

Description

Tracking won’t start due to an initialization problem. Check SMON for details.

Remedy

Fix problem indicated on SMON.

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 →