| 1 | Machine doesn’t work. | 1.No AC supply. 2.Power switch failure. 3.Mains cord failure. | 1.Restore AC supply. 2.Replace the switch. 3.Replace mains cord. |
| 2 | Machine doesn’t seal or imperfect sealing. | 1.Open circuit. 2.No output from CT18V. 3.Microswitch doesn’t operate. 4.Heating element/teflon tape get damaged. 5.Defective AC relay. 6.Defective ET spring. 7.Uneven element due to clogged adhesive at different places. 8.Bent on pressure pad(gasket). | 1.Make proper connections. 2.If control supply of 15-18V is available then timer PCB is defective, replace it. 3.Check and do necessary adjustments. If defective, replace it. 4.Replace the defective. 5.Replace the defective. 6.Replace it. 7.Clean the element bed. 8.Replace the gasket. |
| 3 | Machine doesn’t seal. LED glows when handles are pressed and put out after the | 1.Burnt heating element/teflon fabric. 2.Both end of heating element shorted to the | 1.Replace the defective. 2.Replace the bottom fabric. |
| set time then buzzer beeps. | element bed. 3.No output from 40V transformer. | 3.Check the both end and replace it if defective. |
| 4 | Machine doesn’t seal. Sealing time LED blinks and buzzer beeps. | 1.Low sealing time setting. 2.Defective potentiometer. 3.Defective timer PCB. | 1. Increase the time. 2. Replace it. 3. Replace it. |
| 5 | Machine seals anytime when pressing handles and LED glows continuously. No buzzing. | 1.Defective relay in the timer PCB. 2.Defective potentiometer. | 1.Replace the relay or PCB. 2.Replace it. |
| 6 | Heating element fails continuously/thinning of film at sealing. | 1.Higher sealing time setting. | 1.Reduce it. |
