"Fire" button causing LB lock-up, laser not working in 9.11

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1

Finally switched to Ver. 9.11, always figured if it ain’t broke don’t fix it,
now the laser fire button, locks LB up, have to disconnect and reconnect to start again. Using a generic 20w diode laser, worked
perfectly in last version.

Grbl 1.1f [’$’ for help]
[MSG:’$H’|’$X’ to unlock]
[MSG:Caution: Unlocked]
ok

$0=10 $1=25 $2=0 $3=3 $4=0 $5=0 $6=0 $10=1 $11=0.010 $12=15.000 $13=0 $20=0 $21=1 $22=1 $23=0 $24=25.000 $25=500.000 $26=250 $27=1.000 $30=1000 $31=0 $32=1 $100=100.000 $101=325.000 $102=110.000 $110=900.000 $111=900.000 $112=650.000 $120=15.000 $121=15.000 $122=15.000 $130=400.000 $131=200.000 $132=200.000 ok When I try to burn I get error code 6 and laser quits?
3

error:6 : Minimum step pulse time must be greater than 3usec

That makes no sense - it’s not something that LightBurn ever changes, and your $0 setting (the value for the step pulse length) says 10.

What was the previous version you were using?

4

Using Ver 9.9 before, thanks for the reply!

5

Is he sure it is Error code 6? Because alarm 6 would be homing failed which would make a lot more sense.

6

All previous releases are here: https://github.com/LightBurnSoftware/deployment/releases

Can you check if 9.09 still works as expected?

8

9.09 not working now either?

$0=10 $1=25 $2=0 $3=2 $4=0 $5=0 $6=1 $10=1 $11=0.010 $12=15.000 $13=0 $20=0 $21=1 $22=1 $23=0 $24=25.000 $25=500.000 $26=250 $27=1.000 $30=1000 $31=0 $32=1 $100=100.000 $101=325.000 $102=110.000 $110=900.000 $111=900.000 $112=650.000 $120=15.000 $121=15.000 $122=15.000 $130=400.000 $131=200.000 $132=200.000 ok Starting stream ALARM:1 On or near line 20: Stream completed in 0:02 [MSG:Reset to continue] This is a file I have burnt several times with no problem.
9

“ALARM:1” : _(“Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.”),

What ‘Start From’ setting are you using? (https://lightburnsoftware.github.io/NewDocs/CoordinatesOrigin.html)

10

Bingo! Disabled hard limits in grbl and everything works again, thank
you so much!!!

11

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