This is an older control, does it actually have the capability to do 3 axis motion? In rapid on the older cncs, there is typically a sequence where X and Y move first, then the Z descends. Or Z retracts then X and Y execute. The sign of the move determines this, and presumably, Z0 is the top of your job and machining motions are Z- and moves to clearance would be Z+.
Where are all three axis to begin with? This information is lacking from your sample programs, as there is no workshift call, nor a G92 command to set the position.
Also add a G80 to your safety start line, in case a drilling cycle was in effect and still affecting the next run of the program.
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