Troubleshooting steps
Check servo amplifier, verify motor load, inspect encoder
Robot Error Codes
Universal Robots ERROR 42 – Servo motor fault
Servo motor fault
Details
Universal Robots ERROR 42 error on UR series indicates servo motor fault. Servo amplifier fault, motor overload, encoder problem. Check servo amplifier, verify motor load, inspect encoder.
Error typeservo
MeaningServo motor fault
Typical causesServo amplifier fault, motor overload, encoder problem
SolutionsCheck servo amplifier, verify motor load, inspect encoder
SeverityHigh
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Universal RobotsERROR 42
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What does ERROR 42 mean on Universal Robots robot?
ERROR 42 on Universal Robots UR series indicates servo motor fault. Servo amplifier fault, motor overload, encoder problem.
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