Hello , i think i have found your problem (axis 7 is a linear axis):
$machine.dat
1338 DECL EX_KIN $EX_KIN={[glow=red,2,300]ET1 #NONE[/glow],ET2 #NONE,ET3 #NONE,ET4 #NONE,ET5 #NONE,ET6 #NONE} ;EXTERNE KINEMATIKEN #NONE,#EASYS,#EBSYS,#ECSYS,#EDSYS,#EESYS,#EFSYS,#ERSYS
1339 DECL ET_AX $ET1_AX={[glow=red,2,300]TR_A1 #NONE[/glow],TR_A2 #NONE,TR_A3 #NONE} ;EXTERNE ACHSEN #NONE, #E1, #E2, #E3, #E4, #E5, #E6
correct for linear axis:
15 $AXIS_TYPE[7]=[glow=red,2,300]1[/glow]
1338 DECL EX_KIN $EX_KIN={[glow=red,2,300]ET1 #ERSYS[/glow],ET2 #NONE,ET3 #NONE,ET4 #NONE,ET5 #NONE,ET6 #NONE} ;EXTERNE KINEMATIKEN #NONE,#EASYS,#EBSYS,#ECSYS,#EDSYS,#EESYS,#EFSYS,#ERSYS
1339 DECL ET_AX $ET1_AX={[glow=red,2,300]TR_A1 #ET1[/glow],TR_A2 #NONE,TR_A3 #NONE} ;EXTERNE ACHSEN #NONE, #E1, #E2, #E3, #E4, #E5, #E6
correct for turning axis:
15 $AXIS_TYPE[7]=[glow=red,2,300]3[/glow]
1338 DECL EX_KIN $EX_KIN={[glow=red,2,300]ET1 #EASYS[/glow],ET2 #NONE,ET3 #NONE,ET4 #NONE,ET5 #NONE,ET6 #NONE} ;EXTERNE KINEMATIKEN #NONE,#EASYS,#EBSYS,#ECSYS,#EDSYS,#EESYS,#EFSYS,#ERSYS
1339 DECL ET_AX $ET1_AX={[glow=red,2,300]TR_A1 #ET1[/glow],TR_A2 #NONE,TR_A3 #NONE} ;EXTERNE ACHSEN #NONE, #E1, #E2, #E3, #E4, #E5, #E6