Electrolux W565H - Page 113

Troubleshooting
113
41:22SETSIGNALNOTACHO.WAIT5MINUTES
OnlyonPocketwasher.
PocketwasherusestwoI/Oboardstype10,oneforthe"Loadingside"andoneforthe"Unloading
side".
ThiserrorrelatestoI/Oboardtype10on"Unloadingside".
Seealsocorrespondingerror41:2forI/Otype10on"Loadingside".
TheDLCUonI/Oboardtype10countsthetachopulsesfromthemotorinordertoguaranteethat
thedrumisstandingstillbeforethedoorisopened.T oensurethatthesignalfromthetacho
generatorisworkingcorrectly,DLCUcomparesthetachosignalwithadigitalbitvaluefromthe
CPU,whichisduetotheCPUhavingactivatedthemotor(SeeDLCUstatusindication).
Errorwillresetautomaticallyafter5minutesanddoorwillthenunlock.
Theerrormessageislteredinsuchawaythat:
•Thedigitalbitvalueshouldhavebeenactiveformorethan2seconds.
•Whenthedigitalbitvaluegoeslow,tachosignalmustbepresent.
•T estisonlyperformedwhendoorisabouttounlock.
Possiblecauses:
•Openorshortedcircuittothetachosensor.
•Damagedtachosensorormagnet.
•Secondaryfaultduetoaerrorinthemotorsystem.
Recommendedactions:
1.Checkthatmotorisactuallyrunning.
2.Checkthereisvoltagefromtachometeroutputwhenmotorisrunning.
3.CheckthatrotationisdetectedinDLCUstatusfortheI/Otype10board.
41:23ACTUATORCIRCUIT
OnlyonPocketwasher.
PocketwasherusestwoI/Oboardstype10,oneforthe"Loadingside"andoneforthe"Unloading
side".
ThiserrorrelatestoI/Oboardtype10on"Unloadingside".
Seealsocorrespondingerror41:3forI/Otype10on"Loadingside".
TheDLCUonI/Oboardtype10continuouslycontrolsthecircuittothedoorlocksolenoid.DLCU
candetectanopencircuit(>50kΩ)butnotashortcircuit.Ifcaseofanopencircuit,CPUwillshow
theerror.Theerrorwilldisappeariftheerrorisremoved.
Possiblecauses:
•Opencircuittothedoorlocksolenoid.
•Opencircuitinthedoorlocksolenoid.
•ErrororopencircuitintheI/Oboard10circuits.
Recommendedactions:
1.Checkresistanceindoorlocksolenoidcircuit.Correctreadingisapprox.6kΩ.
2.Checkiferror"AC"stillremainsinDLCUstatus.