Earlier this week, i purchased the LU2-10A 10 Watt Output laser module, to upgrade my Ortur LM2 Pro S2.
The first week, it worked perfectly and was way stronger than the last module. I was able to cut through 1.5mm plywood like butter at 650mm/m 90% power, and i deliberately only used 90% power this week, in hopes of prolonging the lifespan of the laser module.
This morning however, when I tried to make a cut at settings that worked fine yesterday, suddenly they simply dont work. 650mm/m 90% power didnt cut through consistently, neither did 550mm/m 90%. Even 500 was inconsistent. This threw me off, so I ran some tests to try and diagnose the cause of it.
I posted some photos of those test results on reddit here at r/OrturLaserUsers
The 10W laser module needs a 24V2A power block to use its full power.
I did two cut tests at 650mm/m 90% power
one with both power blocks plugged in (Motherboard, and the extra laser one)
one with only the motherboard power plugged in
Both cuts produced very similar results, even though the power should be nearly double with the second block.
This was very confusing so I did more tests. Switching the motherboard and laser power blocks (they are identical) did nothing.
Its especially strange, because the laser module DOES receive power from the block - if the module is unplugged from the motherboard but still has its dedicated power block, the fan spins up and lights light up as expected. But, the power output is effectively unchanged.
Giving each block a different outlet did nothing.
I double checked connections on the interface board,
quadruple checked laser focus,
checked the lens for dust buildup (it is spotless, since the laser is less than one week old)
I dug through every setting I could find in lightburn, checked for errors in my files, couldn’t find anything. Wasn’t able to find anyone with the same problem elsewhere. There were some similar stories in this forum, but most were for the other weaker laser modules or didn’t disclose the specific module (I have the LU2-10A)
All these efforts turned up nothing, so I’m at a loss. The performance dropoff is significant and seemingly has no cause. I have to cut over 30% slower to achieve the same result I could achieve just yesterday.
I have already submitted a support ticket to Ortur, I hope something can be done about this. I’ve been loving this module since it arrived on monday and now it is just weaker for no apparent reason.
Throughout my tests, it seems the performance is degrading further, too. After my first tests failed at 650mm/m, i found that 550mm/m was enough of a speed reduction to cut through easily.
But, then when I tried cutting out a set of parts, they failed just as poorly as the 650mm/m did. I fear it will only degrade further.
Thanks for any help, here’s hoping my support ticket goes somewhere. Cheers