| 1 | Machine does not work , power indicating LED does not glow | 1. No power supply 2.MCB tripped | 1. Restore power supply 2. Check the wiring for any short circuit. If satisfactory reset the MCB |
| 2 | Conveyor is not moving | 1.Conveyor speed set to 0 2.Conveyor motor stalling 3.Defective conveyor motor 4. Conveyor chain disengaged from the sprockets. 5. Conveyor chain breakage 6. Defective conveyor drive sprocket 7. Defective AC variable speed drive | 1. Increase the conveyor speed 2. Reduce load on the conveyor. Install the machine with a slope towards the direction of the conveyor movements to increase the load carrying capacity of the conveyor. 3. Rectify/replace the conveyor motor 4. Engage the conveyor chain with the sprocket. 5. Replace both chain together to avoid the mismatching of chains 6. Replace the conveyor drive sprockets 7. Replace AC variable speed drive |
| 4 | Air blower not working | 1. Defective blower motor | 1. Replace the blower motor |
| 5. | Blower motor works , but the blower does not rotate freely | 1.Blower tightening nut loose. | 1.Tighten blower to blower motor. |
| 6. | Insufficient shrinking | 1. Low temperature setting. 2. Temperature is not building up | 1. Increase the temperature setting. 2. Refer to complaint no. 7 |
| 7. | Temperature is not building up. | 1. Heater connection loose. 2. Heater failure. 3. Low temperature setting 4. Defective contactor for heaters | 1. Make proper connections. 2. Replace the defective heater 3. Increase temperature setting 4.Replace the defective contactor |
| 8 | Excessive Shrinking | 1. High temperature setting. 2. Low conveyor speed. 3. Defective Temperature sensor 4. Defective contactor for heaters due to contact welding | 1.Reduce the temperature setting. 2. Increase the conveyor speed. 3. Replace the defective part. 4.Replace the defective contactor |
| 9. | Shrinking not uniform | 1. Blower not working or loose. 2. Heaters are not working. | 1.Refer complaint troubleshooting Case 4 and 5. 2. Identify the defective heaters and replace them. |
| 10. | Abnormal sound and vibration | 1. Blower loose. 2. Blower motor bearing failure. 3. Machine is not installed on a level surface. | 1. Tighten the nut with which the Air Turbulence Fan is attached to the blower motor 2. Replace the defective bearing. 3. Correct the level the machine. |
| 11. | Conveyor is moving a constant speed | t 1.Defective speed controller | 1.Replace speed controller |
