Universal Robots e-Series Error Code C749A1: Excessive load

Universal Robots Robot Minor System

Model: e-Series (UR3e/UR5e/UR10e/UR16e/UR20/UR30) | Code: C749A1

Applicable Systems
UR3 UR5 UR10 UR3e UR5e UR10e UR16e UR20 UR30

Symptoms

The load current exceeded safe limits, or an inductive load issue was detected

Possible Causes

  • The load current exceeded safe limits, or an inductive load issue was detected

Troubleshooting Steps

  1. Step 1: Reduce the load current and let the system cool,
    Check if the issue is resolved after this step
  2. Step 2: For load currents above 600mA, the inductive clamping energy must be limited to 0.3 Joule,
    Check if the issue is resolved after this step
  3. Step 3: 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