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No laser power

Hey guys,

I'm helping a buddy set up his k40. He bought the exact same one as me so I suggested he get a mini grbl right off the bat. We installed the mini grbl exactly like I have on mine and having a problem.

We got it to connect to lightburn no problem. The problem is, when we send a file down to be engraved, it moves into position and starts, but the laser never fires. When we cancel it and send it home the led2 turns a solid red with no blinking. To turn it off I either restart lightburn or select a different com and reselect the right com.

I'm not sure its a board problem but thought I would check here since the constant red light might indicate something. I checked the troubleshooting diagram and there wasnt a bubble option for constant red light on led2.

 

His settings are the same as mine:

 

$0=10

$1=255

$2=0

$3=1

$4=0

$5=1

$6=0

$7=0

(ATC M6, pulse/ff)

$8=100

(ATC Tool Td, milliseconds)

$9=100

(ATC M6 Td, milliseconds)

$10=1

$11=0.010

$12=0.002

$13=0

$19=0

(Softstart, milliseconds)

$20=0

$21=0

$22=1

$23=3

$24=2000.000

$25=2000.000

$26=250

$27=2.500

$28=5

(Spindle freq. 0 to 15)

$30=1000

$31=1

$32=1

$100=157.000

(x:stp/mm)

$101=157.000

(y:stp/mm)

$102=160.000

(z:stp/mm)

$103=160.000

(a:stp/mm)

$104=160.000

(b:stp/mm)

$110=12000.000

(x:mm/min)

$111=5000.000

(y:mm/min)

$112=5000.000

(z:mm/min)

$113=5000.000

(a:mm/min)

$114=5000.000

(b:mm/min)

$120=8000.000

(x:mm/s^2)

$121=3000.000

(y:mm/s^2)

$122=3000.000

(z:mm/s^2)

$123=3000.000

(a:mm/s^2)

$124=3000.000

(b:mm/s^2)

$130=320.000

(x:mm max)

$131=230.000

(y:mm max)

$132=200.000

(z:mm max)

$133=200.000

(a:mm max)

$134=200.000

(b:mm max)

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