Need help, power output stays at 2 mA regardless of power setting

Henry

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2023-07-17

I have been using my 50w OMTech laser for about 3 years now. Recently, I’ve had a problem with my laser power, it just got very weak. It wasn’t gradual either, it just happened out of nowhere. I can’t cut 1/8th inch plywood anymore without doing like 10 passes now. I’ve tried increasing power, slowing my speed, it just won’t do it. I checked my laser, my alignment, mirrors, and lenses. But all of it is still fine. However, no matter what power setting I use, the power supply only goes up to 2 mA. I have another laser tube if I need to replace it, but I’m just not convinced it’s the tube. Could it be the power supply?

Keegan

2023-07-18

Replacing the power supply is much less expensive and far less hassle than replacing the tube, so do that first, even though you have a tube on hand.
If a new power supply doesn’t perk things up, then swap in the new tube and keep the old power supply on the shelf as a spare.

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