Universal Robots e-Series Error Code C740A53: PSU temperature is outside of the allowed range: {float} degrees C

Universal Robots Robot Minor Temperature

Model: e-Series (UR3e/UR5e/UR10e/UR16e/UR20/UR30) | Code: C740A53

Applicable Systems
UR3 UR5 UR10 UR3e UR5e UR10e UR16e UR20 UR30

Symptoms

The hot-spot temperature reported by the PSU is outside of the allowed range

Possible Causes

  • The hot-spot temperature reported by the PSU is outside of the allowed range

Troubleshooting Steps

  1. Step 1: Ensure that the fan on the control box is running and air flow is not obstructed,
    Check if the issue is resolved after this step
  2. Step 2: Conduct a complete rebooting sequence
    Check if the issue is resolved after this step
  3. Step 3: Update software,
    Check if the issue is resolved after this step
  4. Step 4: 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