| 1. | Machine does not seal and power is not available | No AC Supply. | Check the power supply and Mains Cord. |
| 2. | Machine does not Seal when the Rocker Arm is pressed down, Power is available, Sealing LED does not glow | Micro Switch does not operate. Encoder module damage | Adjust the Micro Switch Plunger. Check the Micro Switch, if defective, replace it. Replace the defective |
| 3. | Machine does not seal, Sealing LED glows when the Rocker Arm is pressed down | Defective Auxiliary Relay. Burnt Heating Element. | Replace the Auxiliary Relay. Replace with new Heating Element. |
| 7. | Heating Element fails very fast | Higher Sealing Time. | Reduce the time setting by adjusting the Sealing Time Control Knob. |
| 8. | Machine does not seal but timer works and Auxiliary relay is energized. | Defective Power Transformer. | Replace the power Transformer. |