Troubleshooting steps
Check axis limits, verify motor load, recalibrate position
Robot Error Codes
ABB ERR20 – Motion control fault
Motion control fault
Details
ABB ERR20 error on IRB series indicates motion control fault. Axis overtravel, motor overload, position error. Check axis limits, verify motor load, recalibrate position.
Error typemotion
MeaningMotion control fault
Typical causesAxis overtravel, motor overload, position error
SolutionsCheck axis limits, verify motor load, recalibrate position
SeverityHigh
Catalog references
Where this appears
ABBERR20
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What does ERR20 mean on ABB robot?
ERR20 on ABB IRB series indicates motion control fault. Axis overtravel, motor overload, position error.
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