My laser keeps stopping during a burn

I believe Lightburn keeps stopping my laser. It doesn’t show any errors when it stops. It won’t rehome after and when I go to close the program (which is the only way I can get it to start again, it tells me, I’m still streaming to my device, even though I’ve hit stop.

I have an Ortur LM2 - Grounding kit installed and no other devices plugged in on the circuit my machine is connected to.

Samsung Laptop - Windows 10 - 8GB RAM - i7 - Lightburn Version 1.0.06

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

Looks like the debug output from Lightburn…

@cjwoodyworks there is an Ortur laser group here you can post.

The @OrturTech wizard is also available.

I highly doubt that it’s lightburn.

Where you attempting an ‘image’ on failure?

Might want to post the firmware version of your lasers controller along with the Lightburn version.

Take care.

:smiley_cat:

The very first test i would do would to test the power supply
Load the very same test file you been using
ready everything to engrave but at the moment of pressin start, reach for the laser module and unplug its cable.
So in effect we are removing 80% of the amp load from the machine
Run the file

Granted it wont engrave a thing but will it finish all motions wihtout errors or stopping?
If this is the case, do you have an alternative 12v >3amps power adapter you could try with, this time with laser plugged in?

The fact the machine does not throw an error makes me think the controller crashes prior to error state, meaning more likely based on a power voltage drop that resets the controller. ALmost like, pressing reset button on the computer, it restarts but gives no indication why it crashed.

if it reset the controller, would it not show the boot sequence in the command window? Meaning the grbl startup message with version information?

Didn’t mean to pry, but I would think it would just re-boot if it went low enough. Of course there is that ‘zone’ where you can’t predict anything…

Thanks for the help, it’s appreciated…

:smiley_cat:

Yes and no
Depends how hard the reset happens
Usually if the voltage drop is not too severe, the usb can keep the brains up
So what happens is simply the higher voltage part of the motherboard fails and restarts
Say the 12v rail (or 24v rail) depending on the machine

if the voltage drop is so significant that the voltage drops under 5v - i seen this before, then the motherboard will restart to the point it eill even start a homing cycle. AS the 5v usb will fail to even keep the MCU on.

Tricky but i seen some variations of the above.

Thanks for the clarification…

I pulled something similar and it did restart, complete with the homing cycle…

I have a few of the CNC3018 types I fool around with…

:smiley_cat:

I have seen stranger things too
Example, power adapter is able to hold voltage, but NOT push enough amps
The machine will move all jiterry, like move 1 step, stop, move 1 step, stop and the laser get pulsy

“i see strange lasers, i see them all the time!!”

2 Likes

Aren’t computers amazing… :crazy_face:

:smiley_cat:

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