| 1 | Machine doesn’t work. | 1.NoACsupply. 2.Power switch failure. 3.Mains cord failure. | 1.Restore ACsupply. 2.Replace theswitch. 3.Replace mainscord. |
| 2 | Machine doesn’t seal orimperfect sealing. | 1.Opencircuit. 2.Nooutput fromCT18V. 3.Microswitch doesn’t operate. 4.Heating element/teflon tape get damaged. 5.Defective ACrelay. 6.Defective ET spring. 7.Uneven element due to clogged adhesive at different places. 8.Bentonpressure pad(gasket). | 1.Make proper connections. 2.Ifcontrol supply of15-18V is available then timer PCBis defective, replace it. 3.Check anddonecessary adjustments. Ifdefective, replace it. 4.Replace the defective. 5.Replace the defective. 6.Replace it. 7.Clean the element bed. 8.Replace thegasket. |
| 3 | Machine doesn’t seal. LEDglows when handles are pressed andputout after the set time then buzzer beeps. | 1.Burnt heating element/teflon fabric. 2.Both endofheating element shorted to the element bed. 3.Nooutput from 40V transformer. | 1.Replace thedefective. 2.Replace the bottom fabric. 3.Check the bothend and replace itif defective. |
| 4 | Machine doesn’t seal. Sealingtime LED blinks andbuzzer 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 LEDglows continuously. No buzzing. | 1.Defective relay in the timer PCB. 2.Defective potentiometer. | 1.Replace the relay orPCB. 2.Replace it. |
| 6 | Heating element fails continuously/thinning offilm at sealing. | 1.Higher sealing time setting. | 1.Reduce it. |