The Diode laser output has become weaker.

The Diode laser output has become weaker.
I am using NEJE Master Plus 2 30W.
I have purchased this equipment for less than a month.
I usually cut 3mm of padauk wood and 3mm of walnut wood in the condition below.

  • 300mm speed & 100% power & 6 ~ 7 times.
    I had cut 3mm walnut wood 2 days ago.
    And the problem arose today.
    When I ran the lightburn program, a software upgrade pop-up window appeared and I upgraded to version 0.9.24.
    And, like yesterday, I cut 3mm padauk wood.
    However, I felt that the cutting was not working well. (It was cut repeatedly 8 times.)
    (As if the focus wasn’t right…)
    I deleted the device from the program and reinstalled it.
    I also erased the lightburn program and reinstalled it.
    Since then, even the 2mm paduak wood has not been cut.
    (It is not cut off even after 20 repetitions.)
    The same is true of engraving.
    The engraving was clear with 300mm & 10% power, but now it should be 300mm 30%.
    It feels like the laser power has dropped to 1/4 level.
    My laser setting is the same as before.
    S-Value max = 1000
    $30 = 1000
    $31 = 0
    $32 = 1
    Is there a factor related to laser power other than this?
    How can I do it? help me.

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