Hello, I'm new to the forum, but I've been working on the bystronic laser for a long time. This problem has already been written about but I have not seen a solution to the problem. My 4 kw bystronic laser has reduced power to 2 kw, I had to reduce the cutting speed to get the cut quality. Over time, the power decreases a little, now it is about 40%. I changed the gas mix chassis, inspected all the mirrors, no damage. Some mirrors I replaced and replaced with new ones, no changes. There are no errors on the display. I'm afraid it's an Excitation module. I don't have a replacement and I don't know how to check if it is correct.
When cutting the cut is serrated especially on thin sheets (2mm)
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