3.01-beta2+1 M25 during tool change

Ntrack

Might be a small issue with m25 during tool change in a sense that executes all the toolchanging files before pausing the print.

G91				; relative moves
G1 V300 H1 F1440                ; feed filament to finda sensor
G92 V0				; force V to 0mm
G1 V100 H1  F1440		; feed a bit more to reliably switch sensor 
G92 V0				; force V to 0mm
G1 V30 H0 F2000			; feed filament to reach ptfe tube
G92 V0				; force V to 0mm
M400				; wait for moves to finish
G90
if !sensors.endstops[4].triggered
	M25
	M291 P"MMU loading failure detected" S2

This is a small macro called during tpre.g and it is supposed to pause if V endstop is not triggered, but it will display the M291( which will stop and wait for OK) then it will execute tpost.g and only then will pause the print.

dc42

That's correct, if you execute M25 when a tool change is in progress, it will complete the tool change first. M25 can only pause the print at the end of executing a complete line of GCode from the file being printed.

Ntrack

Is there any other way to stop the tool change operation if something goes wrong?

dc42

@Ntrack said in 3.01-beta2+1 M25 during tool change:

Is there any other way to stop the tool change operation if something goes wrong?

Only emergency stop at present.

Ntrack

This post is deleted!

Ntrack

I’ll have to wait for variables then.I think I have an idea how to do it using a variable.