Error codes

Type the code from the teach pendant, or words from the message. Each directory is grouped the way the maker prints it: by robot generation, then by section.

1,223 codes from Universal Robots · page 29 of 31

C373A2 · Failed to read data from the battery interface sensor

Universal Robots · e-Series and Later Models

C373 Power Interface BoardCause given

C373A3 · Failed to read data from the monitor sensors

Universal Robots · e-Series and Later Models

C373 Power Interface BoardCause given

C373A4 · Power Interface Board revision invalid

Universal Robots · e-Series and Later Models

C373 Power Interface BoardCause given

C373A5 · Power Interface Board revision {unsigned} is not supported

Universal Robots · e-Series and Later Models

C373 Power Interface Board

C375A0 · Critical error

Universal Robots · e-Series and Later Models

C375 Motor encoderCause given

C404A0 · Runtime sends data too often

Universal Robots · e-Series and Later Models

C404 Unexpected behavior

C404A1 · Runtime tries to receive data too often

Universal Robots · e-Series and Later Models

C404 Unexpected behavior

C450A0 · Sensor data invalid

Universal Robots · e-Series and Later Models

C450 Force-Torque sensorCause given

C450A1 · Sensor can not be used, therefore it is disabled

Universal Robots · e-Series and Later Models

C450 Force-Torque sensorCause given

C450A4 · Force-Torque sensor is expected, but it cannot be detected

Universal Robots · e-Series and Later Models

C450 Force-Torque sensorCause given

C450A5 · Force-Torque sensor is detected but not calibrated

Universal Robots · e-Series and Later Models

C450 Force-Torque sensorCause given

C451A5 · Failed to initialize the M8 GND sensor chip

Universal Robots · e-Series and Later Models

C451 Tool Power SensorCause given

C451A6 · Failed to initialize the M8 digital output low side sensor chip

Universal Robots · e-Series and Later Models

C451 Tool Power SensorCause given

C451A8 · Too many failing M8 GND sensor readings in a row

Universal Robots · e-Series and Later Models

C451 Tool Power Sensor

C451A9 · Too many failing M8 digital output low side sensor readings in a row

Universal Robots · e-Series and Later Models

C451 Tool Power SensorCause given

C453A2 · Unable to validate the IMU type, received type {hex}

Universal Robots · e-Series and Later Models

C453 SCB IMUCause given

C453A3 · Unable to initialize the IMU

Universal Robots · e-Series and Later Models

C453 SCB IMUCause given

C453A4 · Timeout while waiting for new IMU data

Universal Robots · e-Series and Later Models

C453 SCB IMUCause given

C453A5 · Failed to start SPI transfer for the IMU

Universal Robots · e-Series and Later Models

C453 SCB IMUCause given

C500A19 · Awaiting acceptance started

Universal Robots · e-Series and Later Models

C500 Self-test stepCause given

C526A0 · Index/node id {unsigned} is not within the range for a joint.

Universal Robots · e-Series and Later Models

C526 Node IDCause given

C526A1 · Node {unsigned} is not a joint.

Universal Robots · e-Series and Later Models

C526 Node IDCause given

C710A0 · Critical error

Universal Robots · e-Series and Later Models

C710 ROM TestCause given

C720A6 · The VCCINT voltage of {float} is too high

Universal Robots · e-Series and Later Models

C720 LVD (low voltage detection)Cause given

C720A7 · The VCCINT voltage of {float} is too low

Universal Robots · e-Series and Later Models

C720 LVD (low voltage detection)Cause given

C720A8 · The VCCAUX voltage of {float} is too high

Universal Robots · e-Series and Later Models

C720 LVD (low voltage detection)Cause given

C720A9 · The VCCAUX voltage of {float} is too low

Universal Robots · e-Series and Later Models

C720 LVD (low voltage detection)Cause given

C720A10 · The VCCBRAM voltage of {float} is too high

Universal Robots · e-Series and Later Models

C720 LVD (low voltage detection)Cause given

C720A11 · The VCCBRAM voltage of {float} is too low

Universal Robots · e-Series and Later Models

C720 LVD (low voltage detection)Cause given

C740A0 · Critical error

Universal Robots · e-Series and Later Models

C740 Hardware monitoringCause given

C740A10 · 24V IO voltage is outside of the allowed range: {float}V

Universal Robots · e-Series and Later Models

C740 Hardware monitoringCause given

C740A11 · 48V voltage is outside of the allowed range: {float}

Universal Robots · e-Series and Later Models

C740 Hardware monitoringCause given

C740A15 · The {float}A current draw of the robot is outside the allowed range.

Universal Robots · e-Series and Later Models

C740 Hardware monitoringCause given

C740A20 · 24V IO voltage is outside of the allowed range: {float}V

Universal Robots · e-Series and Later Models

C740 Hardware monitoring

C740A21 · 24V IO current is outside of the allowed range: {float}A

Universal Robots · e-Series and Later Models

C740 Hardware monitoringCause given

C740A24 · The left Three-Position Enabling button is inconsistent

Universal Robots · e-Series and Later Models

C740 Hardware monitoring

C740A25 · The right Three-Position Enabling button is inconsistent

Universal Robots · e-Series and Later Models

C740 Hardware monitoring

C740A28 · uA's 3V3voltage ADC ref is outside of the allowed range: {float}

Universal Robots · e-Series and Later Models

C740 Hardware monitoringCause given

C740A29 · The solenoid driver curcuit encountered an error condition

Universal Robots · e-Series and Later Models

C740 Hardware monitoringCause given

C740A30 · The brake solenoid could not be detected

Universal Robots · e-Series and Later Models

C740 Hardware monitoringCause given

Universal Robots C373A2

Failed to read data from the battery interface sensor

What to do: p. 157 of Universal Robots’s directoryAll Universal Robots codes

MakerUniversal Robots

Applies toe-Series and Later Models

SectionC373 Power Interface Board

Page157

Cause, as the directory gives them

• The battery interface sensor read failed

From Universal Robots’s own error code directory. The steps to fix it are the maker’s and are on the page linked above, not copied here.