In LightBurn, click File, click Save GCode and save the file somewhere convenient. Drag and drop the GCode (.gc) file into a reply here. I’d like to see if a Cancel command is being emitted by LightBurn.
Which xTool Device are you using?.. Is it happening for both S1 and M1?
What is the Firmware version number that you’re seeing when you first connect to the xTool Device.
the ALARM flag in your snippet tells me something is up with the machine. Maybe a door switch or a fan isn’t spinning. Something is making the machine go into ALARM mode and stop the program.
I don’t think the 1.6 beta is going to help this. Once I hear back from a couple more testers I will be up for releasing it wider.