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FANUC Alarm THSR-050 — Illegal Num of 3D Search Dir

FANUC THSR-050 (“Illegal Num of 3D Search Dir”): An illegal number of 3D/3D+R search directions exists. First check: Check the 3D/3D+R search pattern and search instructions in the pattern.

Updated 2026-09-17 · LogrobotLM reference

Description

An illegal number of 3D/3D+R search directions exists.

Remedy

Check the 3D/3D+R search pattern and search instructions in the pattern. The number of 3D/3D+R search directions should be exactly 3.

Related codes

THSR-048Illegal Num of 1D Search DirTHSR-049Illegal Num of 2D Search DirTHSR-051Err Compute Along 1st Srch DirTHSR-052Err Compute Along 2nd Srch 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 →