Grayscale will not burn

I am using a ORTUR Laser Master 2.
I have converted and image to grayscale in GIMP. I have lightburn set to grayscale.
The laser fires and moves but does not burn.
Please help.
Below are the settings $0=20

$1=50

$2=0

$3=0

$4=0

$5=0

$6=0

$10=1

$11=0.050

$12=0.002

$13=0

$20=1

$21=1

$22=1

$23=7

$24=600.000

$25=3000.000

$26=100

$27=2.000

$30=1000

$31=0

$32=1

$33=250.000

$100=80.000

$101=80.000

$102=80.000

$110=9000.000

$111=9000.000

$112=9000.000

$120=2200.000

$121=1800.000

$122=2500.000

$130=400.000

$131=430.000

$132=1.000

Hi, here’s a copy of my defaults (lm2) if you want to check against yours.
20 WATT.
$0=2.000
$1=25
$2=0
$3=0
$4=0
$5=0
$6=0
$10=3
$11=0.050
$12=0.002
$13=0
$20=1
$21=1
$22=1
$23=7
$24=600.000
$25=3000.000
$26=100
$27=3.000
$30=1000
$31=0
$32=1
$33=250.000
$50=0
$100=80.000
$101=80.000
$102=80.000
$110=9000.000
$111=9000.000
$112=1200.000
$120=2200.000
$121=1800.000
$122=2500.000
$130=400.000
$131=430.000
$132=1.000
ok

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