Universal Robots CB3 Error Code C212A1: {unsigned} name conflict(s) occurred between feature names and program

Universal Robots Robot Minor System

Model: CB3 (UR3/UR5/UR10) | Code: C212A1

Applicable Systems
UR3 UR5 UR10 UR3e UR5e UR10e UR16e UR20 UR30

Symptoms

Some feature names and program variables share the same name, which may cause confusion.

Possible Causes

  • Some feature names and program variables share the same name, which may cause confusion.

Troubleshooting Steps

  1. Step 1: Rename the program variables.
    Check if the issue is resolved after this step

How to Reset

Power cycle the robot controller and perform a complete reboot sequence. If the error persists, update the software to the latest version.

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Source: Universal Robots Official Error Codes Directory (https://www.universal-robots.com/manuals/EN/PDF/Shared/ErrorCodes/ErrorCodes.pdf)

Category: Robot

Published: 2026-10-13