| 1 | Themachinedoesnot workattheswitch-on position. | 1.NoACsupply 2.Powerswitchfailure 3.Mainscordfailure 4.defectivefuse 5.DefectivePCB 6.Carbonbrushdamage | 1.RestoreACsupply 2.Replacetheswitch. 3.Replacemainscord. 4.ReplacetheFuse 5.ReplacetheDefective 6.Usenewcarbonbrush |
| 2 | Motor speedisnot controllable | 1DefectivePCB 2.Defectivepotentiometer | 1.ReplacetheDefective 2.ReplacetheDefective |
| 3 | Beltslidestooneside | 1.Alignmentproblem | 1.Alignbothsidesoftheconveyor equally |
| 4 | Toomuchnoiseduring operation | 1.Lubricationdeficiency | 1.Lubricatethechainandsprocket |