Fire button not turning on and off

Hello all
I activated the fire button in settings,but it doesnt work.
I have lightburn for the software, 7w cnc add on laser. I tried activating it and restarting the software nothing happen. Any ideas?

so LightBurn works fine otherwise and can control the laser power through a PWM signal?

Not really sure what that means, I am first time user. I do believe everything is working correctly. The laser fires and moves in different directions. I just can’t control the power on the fire button…

you can learn alot about what you have, how it works and what you might need at: read the FAQ

and this FAQ:

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