Universal Robots e-Series Error Code C330A4: Injection-Molding-Machine-Interface 48V voltages outside acceptable range

Universal Robots Robot Minor Power

Model: e-Series (UR3e/UR5e/UR10e/UR16e/UR20/UR30) | Code: C330A4

Applicable Systems
UR3 UR5 UR10 UR3e UR5e UR10e UR16e UR20 UR30

Symptoms

The voltages measured on the 48V rails are lower than expected.

Possible Causes

  • The voltages measured on the 48V rails are lower than expected.

Troubleshooting Steps

  1. Step 1: Check the fuses on the Injection-Molding-Machine-Interface.
    Check if the issue is resolved after this step
  2. Step 2: Verify there are no short circuits on the IO connectors.
    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