OK. The cleaning reading is fine, but it equates to essentially the same thing. The reading is taken by using 50/50 or 50% as the 0 point...Think of a number line that goes from negative 50% to positive 50%...This makes up a total of 100% if you take the absolute values and add them together. A setting of around 20-25% should get you around the ball park. (more penetration than cleaning).
As far as the clamp reading...First make sure your EN is not set under EP and is at least 0, which you said you have done. Next, try to lower your EN and watch and see if amps do not drop or the situation changes with your progress on a beer can...Then try to raise them and watch what happens. But if you are using a clamp meter, you may have some issues because of the HF.
Have you checked it with your foot pedal? Didn't you have an LX?
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