| 1 | Machinedoesnotwork. | 1.NoACsupply. | 1.RestoreACsupply. |
| | 2.MCBtripped. | 2.Checkthewiringforanyshort circuit.Ifsatisfactory,resetthe MCBorreplacetheMCB. |
| 2 | Conveyorisnotmoving. | 1.Conveyorspeedchanging knobinlowposition. | 1.Increasetheconveyorspeed. |
| | 2.Conveyormotorstalling. | 2.Reducetheloadonthe conveyor.Tiltthemachinewitha slopetowardsthedirectionof conveyormovementtoincrease theloadcarryingcapacityofthe conveyor. |
| | 3.Defectiveconveyor motor. | 3.Rectify/replacetheconveyor motor. |
| | 4.Conveyorchain disengagedfromthe sprockets. | 4.Engagetheconveyorchainwith thesprockets. |
| | 5.Conveyorchain breakage. | 5.Replacebothchainstogetherto avoidthemismatchingofchains. |
| | 6.Defectiveconveyordrive sprocket. | 6.Replacetheconveyordrive sprocket. |
| | 7.Defectiveboardfor conveyordrive. | 7.Replacetheboardforconveyor drive. |
| | 8.Fuseblown. | 8.Replacetheblownfuse |
| | 9.DefectivedriverPCB. | 9.ReplacethedefectivePCB. |
| 3 | Conveyorchainslipsfromthe guides. | 1.Lowconveyortension. | 1.Increasetensionbyadjusting theconveyortensionadjusters. |
| | 2.Misalignmentof sprocketsandchainrails. | 2.Alignthesprocketsandchain rails. |
| 4 | Airblowerisnotworking. | 1.Novoltagesupplyat motorterminals. | 1.Restorevoltagesupplyatthe motorterminals. |
| | 2.Defectiveblowermotor. | 2.Replacedefectiveblowermotor. |
| 5 | Blowermotorworks,buttheair turbulencefandoesnotrotate freely. | 1.ShaftfittingAllenscrew loose. | (a)Checkthefanshaftassembly. |
| | | (b)Ensurefreerotationofthe shaftandalittleaxialplay. |
| | | (c)Refitthefanassembly mountingplate. |
| 6 | Insufficientshrinking. | 1.Heaterswitchisoff. | 1.Switchontheheater. |
| | 2.Lowtemperaturesetting. | 2.Increasethetemperature setting. |
| | 3.Temperatureisnot buildingup. | 3.Refertocomplaintno.7. |
| 7 | Temperatureisnotbuildingup. | 1.Looseconnectionof heaters. | 1.Makeproperconnections. |
| | 2.Heaterfailure. | 2.Replacethedefectiveheater. |
| | 3.Lowtemperaturesetting. | 3.Increasetemperaturesetting. |
| | 4.Defectivecontactorto heaters. | 4.Replacethecontactor. |
| | 5.Defectivethermocouple. | 5.Replacethethermocouple. |
| | 6.Defectivetemperature controller. | 6.Replacethetemperature controller. |
| 8 | Excessiveshrinking. | 1.Hightemperaturesetting. | 1.Reducethetemperature setting. |
| | 2.Lowconveyorspeed. | 2.Increasetheconveyorspeed. |
| | 3.Defectivethermocouple. | 3.Replacethethermocouple. |
| | 4.Defectiveheater contactorduetocontact welding. | 4.Replacethecontactor. |
| 9 | Shrinkingisnotuniform. | 1.Airturbulencefanisnot working. | 1.Refertocomplaintno.4. |
| | 2.Airturbulencefanis rotatinginthewrong direction. | 2.Exchangeconnectionstoany twopowersupplyphases. |
| | 3.Someheatersarenot working. | 3.Identifyandreplacethe defectiveheaters. |
| 10 | Abnormalsoundandvibration. | 1.Airturbulencefanloose. | 1.Tightenthenutwithwhichthe airturbulencefanisattachedto theblowerdriveshaft. |
| | 2.Fanmotorbearing failure. | 2.Replacethedefectivebearing. |
| | 3.Machineisnotinstalled onalevelsurface. | 3.Ensurethatthemachineis installedonalevelsurface. |
| 11 | Displayshowsfluctuating temperaturevalues. | 1.Defectivetemperature sensor. | 1.Replacethetemperature sensor. |
| | 2.Defectivetemperature controller. | 2.Replacethetemperature controller. |
