Universal Robots CB3 Error Code C204A3: Sudden stop

Universal Robots Robot Minor System

Model: CB3 (UR3/UR5/UR10) | Code: C204A3

Applicable Systems
UR3 UR5 UR10 UR3e UR5e UR10e UR16e UR20 UR30

Symptoms

The program contains motions that are not ramped correctly down

Possible Causes

  • The program contains motions that are not ramped correctly down

Troubleshooting Steps

  1. Step 1: To abort a motion, use "stopj" or "stopl" script commands to generate a smooth deceleration before using "wait". Avoid aborting motions between Waypoints with blend
    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.

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

Category: Robot