Samsung RS21 Service Manual

Also see for RS21: User manual

Contents

63Is ice ejected?What’s your selectionbetween crushed and cubed?Is the cube ice ejected sufficiently?Does ice in the ice tray exist ?Do you see Ice Stop on the digital panel?Is the Crushed Ice extractedsufficiently?Start The close condition on operationis subject to the freezer door.1) Check the ice-ejector S/W.2) Check the door S/W.3) Check the ice moving motor.4) Check the cut of wire in the Icemoving Motor section.Cancel Ice Stop, selectthe Cubed/Crushed ice.Normal operation1) Check the water hose for folding orfastening.2) Check the ice-water-way andsolenoid value3) Check the wires of ice-maker.NOCrushed iceCubed ice extracted Normal operationYESNODoes MICOM No. 25 turn 5V ifpressing Ice S/W?Failure of Main PCB and exchange it.YESNODoes the voltageof IC3 No. 18 turn 0V even in the iceS/W OFF?Failure of Main PCB(IC3) andexchange it.YESNODoes the contactshelf of RY77 relay turn 0Ω even in thepower OFF?Failure of Main PCB – exchange.(The contact terminal of RY77relay short failure.)YESNOFailure of Main PCB. –Exchange it.NOFailure of Main PCB(IC3) –exchange it.Main PCB is normal.- - - Necessary to check other sections.1) Check the wire between terminals of the AUGER motorand main PCB.2) Failure of cube solenoid itself, or bad contact of theconnector.Main PCB is normal.- - - Check other sections.1) Check the wire between theAUGER motor and mainPCB.Measure both contactterminals of RY77 after theseparation of CN70, CN71connectors.Measure both terminals of RY77contact after the separation of CN70,CN71 connectors.NOExchange of Main PCB(RY77relay).NOCubed iceNODoes MICOM No. 25 turn5V if pressing Ice S/W?Does IC3 No. 18 turn 0V ifpressing Ice S/W?Does thecontact shelf of RY77 relay turn 0Ωifpressing ICE S/W?YESYESYESNONOYESYESYESDiagnostics11-11) If Crushed Ice/Cubed Ice doesn’t work properly: