Samsung WA476DSHASU/A1 Trouble Shooting Guide User Manual Ver.1.0 (English, Fr - Page 17

TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless testing requires power. 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. 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 Hall Sensor Check Clutch-Motor Check Voltage at Pin #4 and #3 of CN1 Check Voltage at Pin #3 of CN6 and Pin #8 of CN4 Tester Check = DC0.6V When Valves operates = AC 120V Check Voltage at Pin #4 and #2 of CN1 Pump Tester Check = DC0.6V Check Voltage at Pin #3 of CN6 and Pin #7 of CN4 Motor Check When Valves operates = AC 120V Resistance at Pin #1 of CN8 and GND Heater Relay Check = 280㏀ Check Voltage at Pin #1 of CN8 and Pin #1 of RY13 Resistance at Pin #2 of CN8 and GND When Heater Relay operates = AC 120V = 280㏀ AC Power Check Resistance at Pin #3 of CN8 and GND Check Voltage at Pin #1 and #3 of CN6 = 280㏀ Check Voltage at Pin #1 of CN6 and Pin #2 of RY13 Drain Motor_Pump Check Tester Check = AC 120V Check Voltage at Pin #3 of CN6 and Pin #9 of CN4 Door Lock Check When Drain Pump operates = AC 120V Check Voltage at Pin #3 and #5 of CN3 Water Valves/ Check When Door Lock = DC 6.5V Check Voltage at Pin #3 of CN6 and Pin #1,2,3,4 of CN4 When Valves operates = AC 120V 17 [Technical information]WA484DSHA_03051B_EN.indd 17 2012-06-25 �� 11:12:06