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 SYST-052 — WARN Trigger slot already used: …

Manufacturer wording — WARN Trigger slot already used: %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SYST-052 (“WARN Trigger slot already used: …”): Specified entry already used First check: Use cancel request to delete old entry

Updated 2026-09-17 · LogrobotLM reference

Description

Specified entry already used

Remedy

Use cancel request to delete old entry

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 →