Laser stopping after 3 lines are burned

ALARM:3 means the control board reset - this is a GRBL error code, telling you basically the controller rebooted. The rest is just LightBurn saying where it happened, and echoing the controller startup / connection text.

Rick’s tone is non existent - he’s repeating back to you what the controller said, and simply asking if you had followed the USB troubleshooting tips above, as you hadn’t acknowledged that you saw his first reply.

We answer a few hundred messages a day, so things tend to be shorter and less personal than we’d like, but it doesn’t mean we’re agitated or upset, just trying to get confirmation of what you have or haven’t done so we know how to direct you.

I suspect you have a grounding issue with the board - this is not uncommon with Ortur.

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