After professional diagnosis, it was found that due to the low temperature environment in Germany in winter and the long-term high-load operation of the equipment, condensate leaked from the cutting head cooling system, which in turn caused the motor bearing lubrication failure and electrical component short circuit. The maintenance team first overhauled the cooling system, replaced the low-temperature resistant sealing components and added special antifreeze; simultaneously replaced high-precision bearings and imported circuit boards, and used an intelligent calibration system to perform micron-level adjustments to the equipment's motion accuracy. In response to Germany's stringent energy consumption standards, technicians also optimized the laser power adjustment algorithm, which reduced the equipment's energy consumption by 15% while restoring the cutting efficiency to 110% before the failure. After the equipment was repaired, the company's production director praised: "The professionalism of the Hongxing team and their deep understanding of German industrial standards have allowed us to see the world-class service level of China's smart manufacturing!"