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 THSR-047 — Can Not Construct A Circle

FANUC THSR-047 (“Can Not Construct A Circle”): The searches do not generate a satisfactory circle. First check: Check the OD/ID search pattern and search instructions in the pattern.

Updated 2026-09-17 · LogrobotLM reference

Description

The searches do not generate a satisfactory circle.

Remedy

Check the OD/ID search pattern and search instructions in the pattern. Or, use touchup to teach a new search start position.

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 →