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FANUC Alarm THSR-051 — Err Compute Along 1st Srch Dir

FANUC THSR-051 (“Err Compute Along 1st Srch Dir”): An error occurred computing the offset along the first search direction. First check: Check search instructions with the first search direction.

Updated 2026-09-17 · LogrobotLM reference

Description

An error occurred computing the offset along the first search direction.

Remedy

Check search instructions with the first search direction. The first search direction is specified in the first search instruction in the corresponding Search Start section. Check the search pattern and search instructions in the pattern. Or, use touchup to teach a new search start position.

Related codes

THSR-049Illegal Num of 2D Search DirTHSR-050Illegal Num of 3D Search DirTHSR-052Err Compute Along 2nd Srch DirTHSR-053Err Compute Along 3rd Srch Dir

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