Universal Robots CB3 Error Code C50A16: The Teach Pendant does not respond

Universal Robots Robot Minor System

Model: CB3 (UR3/UR5/UR10) | Code: C50A16

Applicable Systems
UR3 UR5 UR10 UR3e UR5e UR10e UR16e UR20 UR30

Symptoms

Loose wire or incorrect safety configuration

Possible Causes

  • Loose wire or incorrect safety configuration

Troubleshooting Steps

  1. Step 1: Check the Teach Pendant cable and connections,
    Check if the issue is resolved after this step
  2. Step 2: Check the settings in the miscellaneous tab in the Safety menu
    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