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FANUC Alarm SVGN-137 — Invalid Number of Thickness Cal pts.

FANUC SVGN-137 (“Invalid Number of Thickness Cal pts.”): The number of Thickness Check calibration points is less than 2 or greater than 4. First check: Display the system variable screen and enter a value of 2, 3, or 4 into $sgthkset#.$num_cal_pts, where # = gun number.

Updated 2026-09-17 · LogrobotLM reference

Description

The number of Thickness Check calibration points is less than 2 or greater than 4.

Remedy

Display the system variable screen and enter a value of 2, 3, or 4 into $sgthkset#.$num_cal_pts, where # = gun number.

Related codes

SVGN-135Thickness check cal err: bad torqueSVGN-136Thickness check cal err: bad deflectionSVGN-138Invalid tipwear ratio.SVGN-139Could not read tip stick detect input.

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 →