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FANUC Alarm SVGN-104 — Excessive load detected.

FANUC SVGN-104 (“Excessive load detected.”): An excessive load is detected, during tip wear setup or tip wear update. First check: Remove any foreign object between the tips, and/or re-master the gun.

Updated 2026-09-17 · LogrobotLM reference

Description

An excessive load is detected, during tip wear setup or tip wear update. The gun zero position might be incorrect.

Remedy

Remove any foreign object between the tips, and/or re-master the gun. Resume the tip wear setup or update operation. If the alarm still occurs, then the gun friction has increased since it was last Autotuned. Autotune the gun again and/or inspect the gun to determine the cause of the friction increase.

Related codes

SVGN-102Increased err. not set(Gun).SVGN-103Increased err. not set(Robot).SVGN-105Failed to reset pulse coder.SVGN-106Tip wear uninitialized.

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 →