ok it seems that M108 did screw up the tool change... very weird.
I took it off and tool change works.
looking for a gcode command that allows me to pause a print until a key is pressed (or endstop is triggered).
for example, when layer is done, goto center bed and wait until the key is pressed.
key can be also resume on the DWC or external endstop/key.
80% of rated current.
could that be an issue?
I get once and a while a strange phenomenon where the direction of my stepper motor changes direction.
I've got M569 S0 or S1 in my config file but sometimes it changes the direction without any warning...
And this happens without changing anything else.
could this be some wiring issue? power thing?