Electrolux T5675 - Page 162

162
Troubleshooting
41:3ACTUATORCIRCUIT
TheDLCUonI/Oboardtype10continuouslycontrolsthecircuittothedoorlocksolenoid.DLCU
candetectanopencircuit(>50kΩ)butnotashortcircuit.
Ifcaseofanopencircuit,CPUwillshowtheerror.
Theerrorwilldisappeariftheerrorisremoved.
Possiblecauses:
•Opencircuittothedoorlocksolenoid.
•Opencircuitinthedoorlocksolenoid.
•ErrororopencircuitintheI/Oboard10circuits.
Recommendedactions:
1.Checkresistanceindoorlocksolenoidcircuit.Correctreadingisapprox.6Ω.
2.Checkiferror"AC"stillremainsinDLCUstatus.
Forpocketmachine,thiserrorrelatestoI/Oboardtype10on"Loadingside".
Seealsocorrespondingerror41:23forI/Otype10on"Unloadingside".
41:21CHARGECIRCUIT
OnlyonPocketwasher.
PocketwasherusestwoI/Oboardstype10,oneforthe"Loadingside"andoneforthe"Unloading
side".
ThiserrorrelatestoI/Oboardtype10on"Unloadingside".
Seealsocorrespondingerror41:1forI/Otype10on"Loadingside".
TheDLCUonI/Oboardtype10containsanarmingcircuitthatischargedwhenthedoorlockcoil
istobeactivated.Forsafetyreasons,thisarmingcircuitmustbedischargedwhenthedoorlock
coilisnottobeactivated.Ifthearmingcircuitforoperatingthedoorlockischargedwhenitisnot
supposedtobe,anerrormessagewillbesenttotheCPU.
CPUreadstheerrormessagewhenthedoorislockedandunlockedandgeneratesanerror.The
errorisignoredbetweenthesetwooccasions.
Possiblecauses:
•Theerrorcanbeecausedbyoverloadsand/ordefectivecomponentsintheDLCUonI/O
boardtype10.