Laser beam so weak

Hi. My 50W CO2 china machine had the power plug burn. I though power supply had failed too, so I bought PW from cloudray.
Now i have 2 problem, whenever i hit reset button the machine make noise like in the video. Another problem is the laser beam come out so weak. Could you tell me what are the reason and how to fixed. Thank you very much.

I am so sorry. For the first question is the new PW is provide not enough power or my laser tube is run out CO2. For the 2 question, it’s happen same thing when I turn on rotary and forgot to turn off to engrave normal.

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