Ortur Laser Master 20W power loss

Hey, i engraved and cut some things out of the little wood plates that came with the laser. after some further tests i was not able to see the laser dot when pressing “fire” in lightburn (at 3%). I was able to see it a weak at about 9%. The cutting and engraving is much weaker now with same settings and a focused lens (with lightburn and lasergrbl). Cutting anything is impossible. The blue and red led on the laser module are on! The S values in lightburn are correct.
I tried to update the firmware to 1.34 after this in the console it shows me “ver: 1.1f”.

Any problem solutions?

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