i have a 60 watt Chinese laser engraver and the beam is splitting could this be the power supply breaking down ? and how do you check the power supply for faults? have attached the laser beam fired results on pine board
Attachment 201992
any help would be appreciated . we have just installed a new laser tube because the old one was doing this also and we thought it was the tube but the new one is doing the same thing. thank you for any advise