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.

4,739 codes · page 119 of 119

C746A0 · The house temperature is too low: {float} Celsius

Universal Robots · e-Series and Later Models

C746 Cable ExtenderCause given

C746A1 · The house temperature is too high: {float} Celsius

Universal Robots · e-Series and Later Models

C746 Cable ExtenderCause given

C746A2 · The energy eater temperature is too low: {float} Celsius

Universal Robots · e-Series and Later Models

C746 Cable ExtenderCause given

C746A3 · The energy eater temperature is too high: {float} Celsius

Universal Robots · e-Series and Later Models

C746 Cable ExtenderCause given

C746A4 · Cable type mismatch between near and far cable extenders

Universal Robots · e-Series and Later Models

C746 Cable ExtenderCause given

C746A5 · The energy eater regulation is inactive

Universal Robots · e-Series and Later Models

C746 Cable Extender

C746A7 · The connected cable was not recognized

Universal Robots · e-Series and Later Models

C746 Cable ExtenderCause given

C748A0 · Library error: {unsigned}

Universal Robots · e-Series and Later Models

C748 SecurityCause given

C748A3 · Elevation aborted (bootloader is not capable)

Universal Robots · e-Series and Later Models

C748 SecurityCause given

C748A4 · Elevation aborted (key revision {unsigned} is not valid)

Universal Robots · e-Series and Later Models

C748 SecurityCause given

C748A5 · Elevation aborted (key revision {unsigned} is not supported with a non-red bootloader)

Universal Robots · e-Series and Later Models

C748 SecurityCause given

C749A1 · Digital output load error

Universal Robots · e-Series and Later Models

C749 Safety output curcuitCause given

C749A8 · Internal error on digital output

Universal Robots · e-Series and Later Models

C749 Safety output curcuitCause given

C749A27 · Failed to start transfer during init of device {unsigned}

Universal Robots · e-Series and Later Models

C749 Safety output curcuitCause given

C749A28 · Unexpected transfer size during init of device {unsigned}

Universal Robots · e-Series and Later Models

C749 Safety output curcuitCause given

C749A29 · Invalid CRC during initialization of device {unsigned}

Universal Robots · e-Series and Later Models

C749 Safety output curcuitCause given

C749A30 · Transfer was already in progress when updating the safety output state

Universal Robots · e-Series and Later Models

C749 Safety output curcuitCause given

C749A31 · Failed to start transfer when updating the safety output state

Universal Robots · e-Series and Later Models

C749 Safety output curcuitCause given

C749A32 · Unexpected transfer size {unsigned} when updating the safety output state

Universal Robots · e-Series and Later Models

C749 Safety output curcuit

Universal Robots C746A0

The house temperature is too low: {float} Celsius

What to do: p. 170 of Universal Robots’s directoryAll Universal Robots codes

MakerUniversal Robots

Applies toe-Series and Later Models

SectionC746 Cable Extender

Page170

Cause, as the directory gives them

• The house temperature is below the allowed limit

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.