Samsung WA400 Series - Leveling and Calibration

16
Hall Sensor Check
CheckVoltageatPin#4and#3ofCN9
TesterCheck=DC0.6V
CheckVoltageatPin#4and#2ofCN9
TesterCheck=DC0.6V
Motor Check
ResistanceatPin#1ofCN3andGND
=226㏀
ResistanceatPin#2ofCN3andGND
=226㏀
ResistanceatPin#3ofCN3andGND
=226㏀
Drain Motor_Pump Check
CheckVoltageatPin#3ofCN1andPin#5ofCN4
WhenDrainPumpoperates=AC120V
Water Valves/ Check
CheckVoltageatPin#3ofCN1andPin#1,2,3,4ofCN4
WhenValvesoperates=AC120V
Clutch-Motor
CheckVoltageatPin#3ofCN1andPin#8ofCN4
WhenValvesoperates=AC120V
AC Power Check
CheckVoltageatPin#1and#3ofCN1
TesterCheck=AC120V
Door Lock Check
CheckVoltageatPin#3and#5ofCN8
WhenDoorLock=DC6.5V
PROBLEM CHECKING AND METHOD OF PCB(Model : WA456*)
- 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.
Thermistor Check
CheckResistanceatPin#9and#7ofCN8
TesterCheck=47
㏀
Water Sensor Check
CheckFrequencyatPin#11and#7ofCN8
Resetfrequency=25.6KHz
CheckFrequencyatPin#12and#7ofCN8
Resetfrequency=25.6KHz
%0
*#..5'0514
%0
&QQT. QEM
%0
%0
%0
%0
/+%1/9TKVKPI
%0
219'4
4'.#;
CN8 CN12
CN7
Micom writing
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
TECH MANUAL_DC68-03132A-03_EN.indd 16 2013-5-27 9:46:23