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Switched all the lights off and couldn't see any sparking, Will take the top off the PSU and have a look, I can definitely hear arcing from it so I'm praying that it's the power supply and not the...

Thanks Amy
My power supply only has one red light which goes on when I press the test button, I hear a arcing sound from the power supply and from the tube positive side but no laser beam.

Thanks for the reply, I haven't tried silicone but I did check the connection and replaced the crimped lug. The strange thing is that everything was working well and the next day NOTHING, not even a...

Hi
I am nearing completion of my laser engraver build, Installed a Reci Z4 100W tube, aligned mirrors and did a few test cuts on some MDF at 50% power, amp meter reading about 12ma. Everything...

Hi
I am nearing completion of my laser engraver build, Installed a Reci Z4 100W tube, aligned mirrors and did a few test cuts on some MDF at 50% power, amp meter reading about 12ma. Everything...