LogrobotLM

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 CVIS-220 — Histogram tool: Fail to get reference position.

FANUC CVIS-220 (“Histogram tool: Fail to get reference position.”): An internal histogram tool error has occurred. First check: Document the events that led to the error, and contact your FANUC or FANUC Robotics technical representative.

Updated 2026-09-17 · LogrobotLM reference

Description

An internal histogram tool error has occurred.

Remedy

Document the events that led to the error, and contact your FANUC or FANUC Robotics technical representative.

Related codes

CVIS-218No found pose of parent locator tool.CVIS-219Histogram tool is not trained.CVIS-221Histogram tool: Fail to set reference position.CVIS-222Sub tool is not trained.

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 →