| Film release motor does not work | Pressed emergency switch | Reset emergency switch |
| Chain slipped | Restore chain |
| Relay damaged | Replace relay |
| Micro switch isn’t at right position | Adjust micro switch position |
| Defective micro switch | Replace micro switch |
| Pushing air-cylinder doesn’t work | Compressed air supply not available | Restore compressed air supply |
| Pushing micro switch defective | Replace micro switch |
| Push solenoid valve defective | Replace solenoid valve |
| Sealing air-cylinder doesn’t work | Seal bar level sensors not at correct position | Set seal bar sensors to correct position |
| Sealing solenoid valve defective | Replace solenoid valve |
| The film does not seal and cut off | Sealing temperature set low | Increase the set temperature |
| Defective temperature controller | Replace temperature controller |
| Defective cartridge heater | Replace cartridge heater |
| Cutting blade damaged | Replace cutting blade |
| The sealing blades and cutting blade are not at proper levels | Sealing blades should be 0.4-0.5 mm above the bottom level of cutting blade. Adjust properly |
| Bad sealing | Surface of sealer or cutter damaged | Replace sealer or cutter |
| Deposit of plastic or other foreign body on the blades | Clean with dry cotton cloth |
