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Fix for BL-touch users. #49

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Fix for BL-touch users. #49

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7 changes: 7 additions & 0 deletions duet/sys/homez.g
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Expand Up @@ -3,6 +3,13 @@
;Use-case : the machine may be Z-homed from any position at a reasonable pace, without resorting to dangerous options such as M564 H0 - while still retaining accuracy of the final probe.

G91 G1 Z5 F800 S2 ; lift z so we don't crash

;M280 P3 S160 ; Fix for BL-touch users -
; If the nozzle height is close to the bed at the time the routine is run the probe will not fully deploy
; and BLTouch will enter an alarm state(flashing). In this state it will be non functional, but the Duet
; has no way of knowing this. If you perform a Z home in this state you will get a nozzle crash,
; damage your BLTouch probe, and damage your print surface.

G90 G1 X150 Y150 F6000 ; Move to the center of the bed

; M558 Fxxx sets the probing speed.
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