o<m24> sub
(PRINT, o<m24>)

M64 P2 ; unclamp the tool
M66 P2 L3 Q2 ; check the unclamped tool sensor
o100 if [#5399 LT 0]
    M65 P2 ; turn off the drawbar
    (abort, failed to release tool) ; abort if the sensor does not activate in 3 seconds
o100 endif

(PRINT, o<m24> endsub)
o<m24> endsub [1]

M2