| 1 | Machine doesn’t seal and the power on LED doesn’t glow. | 1.No AC supply. 2.Fuse blown. 3.Mains cord failure. | 1.Restore AC supply. 2.Replace the fuse. 3.Replace mains cord. |
| 2 | Machine doesn’t seal when the pedal is pressed. | 1.Micro Switch does not operate. 2.No output from CT18V. | 1a) Check the microswitch and then replace the defective. b) Check whether the limit switch clamp presses the microswitch lever while the pedal is pressed. If not adjust the clamp properly. a)Check output of the control transformer and then replace the defective. b)If CT output is 15 -18VAC range, then timer PCBA may be defective. |
| 3 | Machine doesn’t seal. Sealing time LED glows when pedal is pressed and buzzer beeps when set time reached. | 1.Burnt heating element. 2.End of heating element shorted to the element bed. 3.Defective cc2 relay. 4.Input voltage is below than 200 volt | 1.Replace it. 2.Replace the bottom fabric. 3.Replace it. 4.Use stabilizer |
| 4 | Machine seals continuously when the pedal is pressed. Sealing time LED glows continuously. | 1.Defective timer PCBA. 2.Defective potentiometer. | 1.Replace it. 2.Replace it. |
| 5 | Machine seals continuously when the pedal is pressed. Sealing time LED glows and put out after the set time. Then buzzer beeps. | 1.Defective cc2 relay. | 1.Replace the relay. |
| 6 | Element fails continuously. or Nonuniform sealing. | 1.Uneven element bed due to clogged adhesive at different places. 2.Uneven gasket. 3.Higher temperature setting. | 1.Clean the element bed and stick the bottom fabric. 2.Replace the gasket. 3.Reduce the time. |
| 7 | Jaw does not close while pressing the pad. | 1.Pedal rod slipped away from its position. | 1.Re position the cable. |
