Laser Firing issues

Ive attempted to search for this problem as i remember others with the same issue.

After successul framing, Lightburn does the oddest thing when i hit play. The laser moves outside the framed area and draws a line back to the starting point of my burn.

This only happens in Lightburn and it happens on any file from my libraries or newly created work. I think its setting related but have found anything to toggle off to make it stop.

Do you have $32 set to 1 for laser mode?

:smile_cat:

Im not familiar wiyh what you mention. Can you point me toward the right menu?

Go to the console in the cut/layers menu and enter $$, this will cause the controller to output all of your configuration variables.

Check $32, if it is 0, enter

$32=1

This should set your controller to laser mode.

:smile_cat:

Thank you. $32=1 is the setting that it shows.

$$

$0=1

$1=0.03

$2=0

$3=0

$4=0

$5=0

$6=0

$10=255

$11=0.0

$12=0.0

$13=0

$20=0

$21=1

$22=1

$23=0

$24=25.0

$25=3000.0

$26=250

$27=1.0

$30=1000

$31=0.1

$32=1

$100=100

$101=100

$102=0

$110=18000

$111=6000

$112=6000

$120=2500.000000

$121=300.000000

$122=300

$130=432.000

$131=406

$132=0

ok

ok

Should be 1 enter

$31=1

This is the bottom of the laser power range…


The Lightburn Grbl setup covers this. It would be wise for you to read through it and the coordinate and job origin documentation.

:smile_cat:

I’ll make that adjustment. I’m also reviewing the code as it runs and I see it use M8 N1 as the second step. Looking M8 up, its an coolant code. That seems odd to me.

Do you have air assist enabled?

I think some of those codes generated are for air assist support.

Good luck

:smile_cat:

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