Universal Robots e-Series Error Code C743A3: The servo drive for the external axis at index {unsigned} has become disabled

Universal Robots Robot Minor System

Model: e-Series (UR3e/UR5e/UR10e/UR16e/UR20/UR30) | Code: C743A3

Applicable Systems
UR3 UR5 UR10 UR3e UR5e UR10e UR16e UR20 UR30

Symptoms

The servo drive of an enabled external axis is reporting itself as disabled

Possible Causes

  • The servo drive of an enabled external axis is reporting itself as disabled

Troubleshooting Steps

  1. Step 1: Reset drive emergency stop,
    Check if the issue is resolved after this step
  2. Step 2: Check whether drive has been configured properly
    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.

Related Universal Robots Fault Codes

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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