Samsung WF42H5200A - Problem Checking and Method of Pcb

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Door Lock Check
CheckVoltageatPin#2ofCN10andPin#3ofRY7
WhenDrainMotoroperates=AC120V
Drain Motor Check
CheckVoltageatPin#5ofCN10andPin#3ofRY7
WhenDrainMotoroperates=AC120V
CIRCLE Motor Check
CheckVoltageatPin#4ofCN10andPin#3ofRY7
WhenCirculationMotoroperates=AC120V
Water Valve Check
CheckVoltageatPin#10ofCN10andPin#3ofRY7
WhenCirculationMotoroperates=AC120V
AC Power Check
CheckVoltageatPin#1ofCN11andPin#4ofPower
RY7
TesterCheck=AC120V
Wash Heater Relay Check
CheckVoltageatPin#3ofRY2andPin#3ofRY7
WhenHeaterRelayoperates=AC120V
Hall Sensor Check
CheckVoltageatPin#4and#2ofCN2
TesterCheck=DC0Vor1.3V
CheckVoltageatPin#4and#3ofCN2
TesterCheck=DC0Vor1.3V
Motor Check
ResistanceatPin#1and#2ofCN6=12Ω
ResistanceatPin#1and#3ofCN6=12Ω
ResistanceatPin#2and#3ofCN6=12Ω
PROBLEM CHECKING AND METHOD OF PCB
- IfyoupluginthepowercordandturnPowerS/Won,memorizeddataisdisplayed.
Ifanydataisnotdisplayed,checkthefollowings.
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
CN3 CN6
CN9
CN11
CN10
CN7
CN201
CN402
CN601
CN1
CN2
CN6
CN5
CN4
(Techsheet)WF42H5-03387A_EN.indd 20 2013-12-24 17:12:51