| Reason | Inspect for Faults | Exclusion Method |
| Abnormal machinery noise | Check if the machine's location is level | Switch to a flat surface |
| Check if the rubber pads at the electrical box and machine connection have come loose. | Add leather padding | |
| Check if the machine's transmission chain is loose or detached. | Tighten the chain | |
| Machine not working, no power supply | Check if the power supply is normal; as well as if the fuses are in good condition. | Maintain power supply and replace fuses |
| Manual state下滑环does not operate | Check the tension of the slip ring drive wheel | Adjust the eccentricity of the drive axle |
| Inspect motor for proper operation | Inspect motor external wiring or replace the motor | |
| Check the belt wheel and belt tension | Tighten belt pulley or belt | |
| The packaging bags are too loose. | Check the tension of the film tensioner | Adjust the tension of the solid film tensioner. |
| Check the belt tension. | Adjust the belt tension. | |
| Check if the roller is tightly packaged with the product. | Adjust the roller to the proper position |
