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I've just changed a power supply on my laser cutter as well as a fuse at the main power to the machine.

Everything seems to be ok with this setup but now I just hear a hissing from the laser tube...

UPDATE: Since I didn't get a reply, I went ahead and tested this setup anyway.

Everything seems to be ok with this setup but now I just hear a hissing from the laser tube when I fire a test pulse...

Hi all,

I have just received a new power supply for my 50w Chinese Laser cutter. It appears that the terminals are setup slightly different.

I have attached a diagram of my original layout and...

Hi John, thank you for your reply. Sorry I forgot to mention that I'm in the UK so my machine is 220v. I checked and the fuse was a 20mm type and on the casing it states is a 250w fuse only.

So to...

Hi all,

I need to identify what amp fuse I need for the fuse situated just below the power supply socket on the case of the laser cutter. Its a 50w Chinese Laser Cutter. I have attached an image...