| 1 | Machine does not work. | 1.No AC supply. 2.MCB tripped. 3.No output fromCT18V. | 1.Restore ACsupply. 2.Check the wiring foranyshort circuit. Ifsatisfactory, reset the MCBor replace theMCB. 3.Check andreplace if defective. |
| 2 | Conveyor is not moving. | 1.Conveyor speed set to 0. 2.Conveyor motor stalling. 3.Defective conveyor motor. 4.Wear & tear ofcarbon brush. 5.Conveyor chaindisengaged fromthe sprockets. 6.Conveyor chainbreakage. 7.Defective conveyor driver sprocket. 8.Defective boardforconveyor drive. 9.Blown out ofFUSE in the board. 10.Defective IRF740/optocoupler in the board. | 1.Increase the conveyor speed. 2.Reduce loadonthe conveyor. Install the machine with aslope towards the direction ofthe conveyor movements toincrease the loadcarrying capacity ofthe conveyor. Use leveling screws to attain this. 3.Rectify/replace the conveyor motor. 4.Clean &reinsert it. 5.Engage theconveyor chain with the sprocket. 6.Replace bothchaintogether to avoidthe mismatching ofchains. 7.Replace the conveyor driver sprockets. 8.Replace the board forconveyor drive. 9.Replace the FUSE. 10.Replace it. |
| 3 | Conveyor chain slips fromthe guides. | 1.Lower conveyor tension. 2.Misalignment ofsprockets andchain rails. | 1.Increase the tension by adjusting the conveyor tension adjusters. 2.Align the sprockets and chain rails. |
| 4 | Air blower is not working | 1.Fanswitch is off. 2.Phase sequence RYBis notin sequence. 3.Defective blower motor/No supply at motor end. 4.Defective contactor orrelay | 1.Switch onthe fan. 2.Interchange anyof thetwo phases.(Check Phase sequence indicator LED's andPhase sequence OK indicator). 3.Check supply voltages at the motorend& replace if defective. 4.Replace the defective. |
| 5. | Blower motor works , butthe air | 1.Shaft fittingAllen screw loose. | (a)Check the fanshaftassembly. |
| turbulence fan doesnot rotate freely | | (b)Ensurefree rotationof the shaftanda little axial play. (c)Refit the FanAssembly Mounting Plate. |
| 6. | Insufficient shrinking | 1.Heater switch is off. 2.Low temperature setting. 3.Temperature is not building up. | 1.Switch onthe heater. 2.Increase the temperature setting. 3.Refer to complaint no.7 |
| 7. | Temperature is not building up. | 1.Loose connection ofheaters. 2.Heater failure. 3.Low temperature setting. 4.Defective contactor for heaters/relay for heaters. 5.Defective PT100. | 1.Make proper connections. 2.Replace the defective heater. 3.Increase temperature setting. 4.Replace the relay fromthe board/ replace the contactor. 5.Replace it. |
| 8 | Excessive Shrinking | 1.High temperature setting. 2.Low conveyor speed. 3.Defective Temperature Sensor (PT100). 4.Defective Heater Contactor dueto contact welding. | 1.Reduce the temperature setting. 2.Increase the conveyor speed. 3.Replace the defective part. 4.Replace the contactor forheater. |
| 9. | Shrinking is not uniform | 1.Airturbulence fanis not working or rotating in wrong direction. 2.Heaters are not working. | 1.Refer complaint troubleshooting Case4. 2.Identify the defective heater and replace. |
| 10. | Abnormal sound andvibration | 1.Airturbulence fanloose. 2.FanMotor Bearing failure. 3.Machine is notinstalled ona level surface. | 1.Tighten the nut with which the Air Turbulence Fanis attached to the blower drive shaft. 2.Replace the defective bearing. 3.Level the machine usingthe leveling screws. |
| 11. | Conveyor is moving at constant speed | 1.Defective IRF740in the conveyor drive board. | 1.Replace it. |
| 12. | Shows different Temperature values | 1.Defective 18V CT. 2.EMI. 3.Open wires. | 1.Replace 18VCT 2.Make proper FRC&other cable routing. 3.Check andmake proper connections. |
