| 1. | Machine doesnot work | 1.No power supply. 2.MCB tripped. 3.No output fromCT18V. | 1.Restore power supply. 2.Check the wiringfor anyshortcircuit. If satisfactory, reset the MCB. 3.Check andreplace if defective. |
| 2. | Air blower is not working | 1.Defective blower motor. 2.Defective capacitor. 3.Nosupply at motor end. | 1.Replace the blower motor. 2.Replace the capacitor. 3.Check andrestore the supply. |
| 3. | Blower motor works , but the blower doesnot rotate freely | 1.Shaft fitting Allen screw loose. | (a)Check the fanshaft assembly. (b)Ensure free rotation of theshaft anda little axial play. (c)Refit the FanAssembly Mounting Plate. |
| 4. | Conveyor is movingat constant speed | 1.Defective speed controller. | 1.Replace the speed controller. |
| 5. | Conveyor is not moving | 1.Conveyor speed set to zero. 2.Conveyor motorstalling. 3.Defective conveyor motor. 4.Conveyor chain disengaged fromthe sprockets. 5.Conveyor chain breakage. 6.Defective conveyor drive sprocket. 7.Defective ACvariable speed drive. | 1.Increase the conveyor speed. 2.Reduce loadonthe conveyor. Install themachine witha slope towards the direction of the conveyor movements to increase the load carrying capacity ofthe conveyor. 3.Rectify/replace the conveyor motor. 4.Engage the conveyor chain withthe sprocket. 5.Replace both chaintogether to avoid themismatching ofchains. 6.Replace the conveyor drive sprockets. 7.Replace ACvariable speed drive. |
| 6. | Conveyor chainslips fromthe guides | 1.Lower conveyor tension. 2.Misalignment of sprockets. | 1.Increase the tension byadjusting the conveyor tension adjusting bolt. 2.Align the sprockets andchain 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 |
| 9 | Excessive Shrinking | 1.High temperature setting. 2.Low conveyor speed. 3.Defective Temperature sensor. 4.Defective contactor for electric heaters dueto 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 4and5. 2.Identify the defective electric heaters andreplace. |
| 11. | Abnormal sound andvibration | 1.Blower loose. 2.Motor bearing failure. 3.Machine is not installed on a level surface. | 1.Tighten the nutwith which the Air Turbulence Fanis attached to the blower motor 2.Replace the defective bearing. 3.Correct the levelthe machine. |
| 12 | Display black outwhe Heater are turned on. | n1.EMI generated through contactor arcing. | 1.Replace contactor connections for loose terminals. 2.Connect a 220ohm resistor anda 104/1kv capacitor in series across A1and A2ofcontactor. 3.Replace Contactor. |
| 13 | Display black outwhile pressing control buttons. | 1.Low supply voltage. | 1.Ensure the proper operating voltage |
