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Universal Robots UR3e - User Manual

Universal Robots UR3e
359 pages
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Original instructions (en) e-Series
User Manual UR3e

Table of Contents

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Questions and Answers

  • H
    hclarkAug 15, 2025
    Why is my Universal Robots Controller turning on then shutting down?
    • A
      Angela ParksAug 15, 2025
      If the Universal Robots Controller turns on for a few seconds and then shuts down, it may be because the Power ON button was pressed for too long. Press the button for only 1-2 seconds; pressing it for more than 5 seconds will cause the controller to shut down.
  • J
    Jessica WattsAug 18, 2025
    What to do if my Universal Robots Controller does not turn on?
    • E
      Elizabeth WebbAug 18, 2025
      If the Universal Robots Controller does not turn on, ensure that the power source is wired correctly. Also, for DC power, verify that the DC source connection polarity is correct, as reverse polarity can cause permanent damage.
  • Z
    Zachary WrightAug 21, 2025
    Why is my Universal Robots controller robot performance unstable?
    • D
      David PriceAug 21, 2025
      If the robot performance is unstable, check that the input voltage is within the specified range. Also, check the grounding to avoid ground loops or loose screws.
  • K
    Kyle GreenAug 25, 2025
    What to do if Universal Robots Controller does not turn on or robot performance is unstable?
    • M
      melissa78Aug 25, 2025
      If the Universal Robots Controller does not turn on or the robot performance is unstable, verify that the DC input is within the specifications. Also, ensure that the DC supply has enough charge to supply the initial current to the system.
  • A
    alanjenkinsAug 27, 2025
    What to do if Universal Robots Robotics fails during power-up?
    • B
      Brian KingAug 28, 2025
      If your Universal Robots Robotics system fails during power-up, there are several potential causes: * The Teach Pendant may be incorrectly connected, so check its connection. * The 48V power supply (including its control wires) may be incorrectly connected; verify these connections. * There might be a reverse polarity in the 48V voltage supply; correct the polarity.
  • J
    James CraigAug 30, 2025
    What to do if Universal Robots Robotics fails during operation?
    • L
      Lisa GreenAug 30, 2025
      If your Universal Robots Robotics system fails during operation, it could be due to: * The input voltage for the 48V supply dropping below 19V. Ensure the input voltage is above 19V. * The configuration file being modified incorrectly. Review and correct the configuration file.
  • C
    Charles TannerSep 2, 2025
    Why does my Universal Robots Robotics system seem unstable?
    • D
      David RojasSep 3, 2025
      An unstable Universal Robots Robotics system can stem from several issues: * An unstable 48V power supply. Stabilize the 48V power supply. * Voltage supply not within +/- 1% tolerance. Ensure the voltage supply is within the specified tolerance. * Incorrect grounding, potentially from ground-loops or loose screws. Check and correct any grounding issues.
  • R
    Rebecca WilkersonSep 5, 2025
    What to do if Universal Robots Robotics shows a short circuit error?
    • H
      Howard MartinSep 5, 2025
      If your Universal Robots Robotics system displays a short circuit error, it may be due to: * Reverse polarity for the robot supply. Correct the polarity. * Reverse polarity for the energy eater. Correct the polarity.
  • S
    Sheri PorterSep 8, 2025
    How to fix Error C740A0 on Universal Robots Robotics?
    • X
      xpadillaSep 8, 2025
      Error C740A0 on your Universal Robots Robotics system indicates that the program running on the robot requires more than 1000W. Try decreasing the Joint acceleration and Joint speed to resolve this issue.
  • K
    katherinecarlsonSep 12, 2025
    Why is the PSU constantly delivering 48V to the SCB in Universal Robots Robotics?
    • K
      knoxsamuelSep 12, 2025
      The PSU constantly delivering 48V to the SCB in your Universal Robots Robotics system is because the pins, RC1, and RC2 in the CN51 on the PSU are not connected. Reconnect the pins, RC1, and RC2 in the CN51 on the PSU.

Universal Robots UR3e Specifications

General IconGeneral
Payload3 kg
Reach500 mm
Weight11.2 kg
Degrees of Freedom6
FootprintØ 128 mm
IP ClassificationIP54
Shoulder Rotation± 360°
Wrist 1 Rotation± 360°
Wrist 2 Rotation± 360°
Wrist 3 Rotation± 360°
Operating Voltage24 VDC
Power Supply100-240 VAC
Tool TCP Speed1 m/s
Base Rotation±360°
Programming MethodPolyscope graphical user interface
Communication InterfaceEthernet
Safety StandardsEN ISO 10218-1:2011
Repeatability±0.03 mm

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