Universal Robots e-Series Error Code C284A21: Brake release count reached limit

Universal Robots Robot Minor System

Model: e-Series (UR3e/UR5e/UR10e/UR16e/UR20/UR30) | Code: C284A21

Applicable Systems
UR3 UR5 UR10 UR3e UR5e UR10e UR16e UR20 UR30

Symptoms

The max number of allowed brake releases is reached. The joint can no longer release the brakes.

Possible Causes

  • The max number of allowed brake releases is reached. The joint can no longer release the brakes.

Troubleshooting Steps

  1. Step 1: Update software,
    Check if the issue is resolved after this step
  2. Step 2: Contact your local Universal Robots service provider for assistance
    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