Howdy Guys, I'm working on getting my 60w chinese laser back up and running.

This weekend I realigned all my mirrors and changed out my lens. I fired the machine up and cut out a project then came back about an hour later to cut out a few 40mm spacers. I cut one out, installed it then cut the second one but the laser didn't fire. I've taken apart the power supply and checked all of the fuses which look good. The high current line is definitely receiving power. Water is flowing through the tube, I checked it over 4 or 5 times for cracks which I can't see any sign of.

The tube only has 30 hours of run time and was cutting perfectly at 40% power before it suddenly stopped.

What I'm looking for is any tests you guys might think I'd benifit from running before I go out and start buying a bunch of stuff that might not even need to be replaced.

Thank you all!

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