LogrobotLM

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FANUC Alarm SVGN-129 — Invalid thickness tolerance specified.

FANUC SVGN-129 (“Invalid thickness tolerance specified.”): A string parameter or a value less than 0.0 was specified for the THK_TOL macro. First check: Re-enter a parameter value greater than or equal to 0.0 into the thickness tolerance macro.

Updated 2026-09-17 · LogrobotLM reference

Description

A string parameter or a value less than 0.0 was specified for the THK_TOL macro.

Remedy

Re-enter a parameter value greater than or equal to 0.0 into the thickness tolerance macro.

Related codes

SVGN-127DSP max gun torque update timeout.SVGN-128Invalid thickness value specified.SVGN-130Invalid thickness severity specified.SVGN-131Invalid gun index specified.

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