| Reason | Inspect for malfunctions | Exclusion Method |
| Abnormal machine noise | Check if the machine's location is level | Switch to a level surface |
| Check if the rubber pads at the electrical box and machine connection have come loose. | Add leather pads |
| Check if the machine's drive chain is loose or detached. | Tighten the chain |
| Machine not working due to lack of power | Check if the power supply is normal; as well as the condition of the fuse. | Maintain power supply and replace fuses |
| Manual down loop does not operate | Check the tension of the slip ring drive wheel | Adjust the eccentricity of the drive shaft. |
| Check the 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 solid film tensioner | Adjust the tension of the film tensioner |
| Check the tension of the belt. | Adjust the belt tension looseness |
| Check if the roller is securely clamped to the packaging. | Adjust the roller to the proper position |
