Not enough power on my 20W laser

dear all …

it’s crazy I am a bit lost with my lazer as i am unable to cut small parts of plastic (I was abble to cut it before with the same laser)

i try almost all … I flash the board with the latest GRBL 1.1H.hex

settings are like this

$0=10 $1=25 $2=0 $3=2 $4=0 $5=0 $6=0 $10=1 $11=1.000 $12=0.002 $13=0 $20=0 $21=0 $22=0 $23=0 $24=25.000 $25=500.000 $26=250 $27=1.000 $30=1000 $31=0 $32=1 $100=160.000 $101=160.000 $102=250.000 $110=5000.000 $111=5000.000 $112=500.000 $120=400.000 $121=400.000 $122=10.000 $130=500.000 $131=500.000 $132=200.000 ok i try some different way to cut my plastic its from trotec made to be cut and engrave by laser nothing work i am unable to cut it as it was before i use GRBL as a device in lightburn i try to change the power supply to be sure .. i clean the lens i erase all settings from LB and start it again .. nothing what my laser module is dead ?? it s engraving verry well it s only about the cut it s crazy i needt some help