| 1. | Machine does not work | 1.No power supply. 2.MCB tripped. | 1.Restore power supply. 2.Check the wiring for any short circuit. If satisfactory, reset the MCB. 3.Check and replace if defective. |
| 2. | Air blower is not working | 1.Defective blower motor. 2.Defective capacitor. 3.No supply at motor end. | 1.Replace the blower motor. 2.Replace the capacitor. 3.Check and restore the supply. |
| 3. | Blower motor works , but the blower does not rotate freely | 1.Shaft fitting Allen screw loose. | 1.a. Check the fan shaft assembly. b. Ensure free rotation of the shaft and a little axial play. c. Refit the Fan Assembly Mounting Plate. |
| 4. | Conveyor is moving at constant speed | 1.Defective speed controller. | 1.Replace the speed controller. |
| 6. | Conveyor chain slips from the guides | 1.Lower conveyor tension. 2.Misalignment of sprockets. | 1.Increase the tension by adjusting the conveyor tension adjusting bolt. 2.Align the sprockets and chain rails. |
| 7. | Insufficient shrinking | 1.Low temperature setting. 2.Temperature is not building up | 1.Increase the temperature setting. 2.Refer to complaint no. 7 |
| 8. | Temperature is not building up. | 1.Electric heater connection loose. 2.Electric heater failure. 3.Low temperature setting. 4.Defective contactor for electric heaters. | 1.Make proper connections. 2.Replace the defective electric heater. 3.Increase temperature setting. 4.Replace the defective contactor |
| 5. | Conveyor is not moving | 1.Conveyor speed set to zero. 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. |
| 9 | Excessive Shrinking | 1.High temperature setting. 2.Low conveyor speed. 3.Defective Temperature sensor. 4.Defective contactor for electric 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. |
| 10 | Shrinking is not uniform | 1.Blower is not working or loose. 2.All the electric heaters are not working. | 1.Refer complaint 4 and 5. 2.Identify the defective electric heaters and replace. |
| 11. | Abnormal sound and vibration | 1.Blower loose. 2.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. |
