Motherboard changed ...laser does not work

Hello,
I have laser Atomstack s40 pro and
I replaced the motherboard, but the laser does not turn on when I press the on/off button. I also tried reinstalling the old motherboard, but it still does not work. I would really appreciate any advice or assistance you can provide.

Thank you in advance for your help. Looking forward to your response.

Best regards,

Did you make sure the emergency switch is not pressed / connected correctly? Otherwise it won’t turn on.

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Hello!

Oh wow, I didn’t even think about that button! :person_gesturing_ok:
I immediately went to test it, and the laser is working.:ok_hand::hugs:
Thank you so much for your help—I’m truly grateful! :star_struck:

Best regards, Franka

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