Common faults of laser cutting machines include: laser failure, power failure, cooling system failure, optical system failure, mechanical structure failure, control system failure, etc. Among them, laser failure is a common fault of laser cutting machines, which may be caused by quality problems of the laser itself, the influence of the operating environment, improper maintenance, and other reasons. The main manifestations of power failure are unstable power supply voltage and insufficient power output, which may cause the laser cutting machine to malfunction. Cooling system failure may cause the laser to overheat, affecting its normal operation. Optical system malfunction may cause the laser beam to fail to transmit properly, affecting the cutting effect. Mechanical structural failures may affect the stability and accuracy of laser cutting machines. A control system malfunction may cause the laser cutting machine to fail to operate according to the set parameters.