LogrobotLM

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-048 — Illegal Num of 1D Search Dir

FANUC THSR-048 (“Illegal Num of 1D Search Dir”): An illegal number of 1D/1D+R search directions exists. First check: Check the 1D/1D+R search pattern and search instructions in the pattern.

Updated 2026-09-17 · LogrobotLM reference

Description

An illegal number of 1D/1D+R search directions exists.

Remedy

Check the 1D/1D+R search pattern and search instructions in the pattern. The number of 1D/1D+R search directions should be exactly 1.

Related codes

THSR-046Invalid Analog Input DataTHSR-047Can Not Construct A CircleTHSR-049Illegal Num of 2D Search DirTHSR-050Illegal Num of 3D Search Dir

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 →