Hello Rodrigo, My expierence is with metal cutting machine tools not Fuji placement machines. That said there are a several of areas to look at. #1.Interference on your C axis travel, look for scrape marks or something dragging on the drum. #2. Tight bearings on the screw or support bearings. #3. Bad encoder on the servo motor.(perhaps the encoder marks are dirty and will not read at normal speeds. If this is it, the encoder may need replacing as it may not be serviceable. #4 The servo motor motor may be weak. #5 Servo amp may be failing and can not deliver normal output. If you get the error at a particular point in the travel I would look for something dragging at that point. If the point it fails varies with the percentage of feed then it may be electrical and I would suspect #4 or 5. Hope this helps till someone with Fuji expierence replies.
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