Universal Robots e-Series Error Code C740A25: The right Three-Position Enabling button is inconsistent

Universal Robots Robot Minor System

Model: e-Series (UR3e/UR5e/UR10e/UR16e/UR20/UR30) | Code: C740A25

Applicable Systems
UR3 UR5 UR10 UR3e UR5e UR10e UR16e UR20 UR30

Symptoms

The right Three-Position Enabling button is inconsistent

Troubleshooting Steps

  1. Step 1: Do not press the button repeatedly,
    Check if the issue is resolved after this step
  2. Step 2: Remove any pressure off the button,
    Check if the issue is resolved after this step
  3. Step 3: Press the button with more pressure. Light pressing may not work,
    Check if the issue is resolved after this step
  4. Step 4: Update software,
    Check if the issue is resolved after this step
  5. Step 5: 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.

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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: 2026-10-29