Point not on normal

[france3]

1) Point not on normal - ?

x788 CH(#) Circle center not valid
The specified circle center is not equidistant from the points specified for it.
CNC in alarm status and error message given.
Check the values of the center and the initial and final points of the arc.

x789 CH(#) Point not on normal
The data entered for the instruction are not able to resolve the instruction itself.
CNC in alarm status and error message given.
Check the programmed values.

x790 CH(#) Infinite plots
The data entered for the instruction are not able to resolve the instruction itself.
CNC in alarm status and error message given.
Check the programmed values.

заранее спасибо

[sledopyt]

вы б хоть дали намек о каком аппарате речь

[france3]

Numeric Control for Glass Boring-Milling Machine
Product: KVARA 6 cod SW.62V from version 3.0

[Oo]

Точка не на перпендикуляре?