Top Wisdom / Lightburn odd engraving after tube change

Hi all, so i changed the tube in my red/black 60w and started seeing strange lines through the engraving, after lots of fault finding I

gave up and put the old tube back in but I’m still seeing the same issue. I also noted 2 red circles on the controller when i do a system check on the IO in but I don’t know if this is related. Is there a chance that Lightburn has reset some values with the tube change or is this likely to be something in the machine? Any help would be awesome as i’m really struggling.

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