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 SVGN-136 — Thickness check cal err: bad deflection

FANUC SVGN-136 (“Thickness check cal err: bad deflection”): A thickness check calibration point has a deflection value that is not greater than 0.0, or is not in ascending order. First check: Go to the Gun Setup Utility Screen (UTILITIES-GUN SETUP) and re-execute Thickness Check Calibration.

Updated 2026-09-17 · LogrobotLM reference

Description

A thickness check calibration point has a deflection value that is not greater than 0.0, or is not in ascending order.

Remedy

Go to the Gun Setup Utility Screen (UTILITIES-GUN SETUP) and re-execute Thickness Check Calibration. If the error still occurs, re-master and re-execute Thickness Check Calibration.

Related codes

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 →