Hi everyone , I'm try to get some help plz. I bought PSU 100W and tube laser also 100W, and the others accessories (chiller.air compressor......). After that I try mounting everything together follows instructions the factory The problem is't when I run it to cut is stopped in the middle of the job randomly is no path it's just stop PSU EFR ES-100 Grbl board TH connected to PWM TL not connected WP connected to GND G connected to GND the board grbl and potentiometer IN connected to potentiometer 5V connected to potentiometer