DS0020 Reference Return Incomplete
An attempt was made to perform an automatic return to the reference position on the perpendicular axis before the completion of a return to the reference position on the angular axis. However, this attempt failed because a manual return to the reference position during angular axis control or an automatic return to the reference position after power-up was not commanded. First, return to the reference position on the angular axis, then return to the reference position on the perpendicular axis.
Quick tip:
Return to the reference position on the angular axis, then return to the reference position on the perpendicular axis.