FANUC Alarm CVIS-139 — Cannot delete this tool.
FANUC CVIS-139 (“Cannot delete this tool.”): The specified tool cannot be deleted from the tree window. First check: Some programs have been designed to prevent the number of command tools from being set below a predetermined number.
Updated 2026-09-17 · LogrobotLM reference
Description
The specified tool cannot be deleted from the tree window.
Remedy
Some programs have been designed to prevent the number of command tools from being set below a predetermined number. Before trying to delete the specified tool, create another one.
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 →